(optics) A lens that imparts little color; a lens that is achromatic.
acidotic
acidotic
adj
(pathology) Having depressed alkalinity of blood or tissue.
acierate
acierate
verb
(rare, transitive) To convert (iron) into steel, or to coat with a layer of steel by converting only the surface of the iron.
aciliate
aciliate
adj
that lacks cilia
acinetae
acinetan
acinetic
acinetic
adj
Dated form of akinetic.
ackworth
aclastic
aclastic
adj
Non-refractive in nature.
Of ilk nature, or pertaining to aclasis.
acoemeti
acolytes
acolytes
noun
plural of acolyte
acolytus
aconital
aconital
adj
Of, or derived from aconite.
aconites
aconites
noun
plural of aconite
aconitia
aconitia
noun
(chemistry) aconitine.
aconitic
aconitic
adj
Of or pertaining to aconite.
Of or pertaining to aconitic acid.
aconitin
aconitin
noun
Archaic form of aconitine.
aconitum
aconitum
noun
Aconitum, a genus of plants in the family Ranunculaceae.
The poisonous herb aconite; also, an extract from it.
acontias
acontias
noun
plural of acontia
acontium
acontium
noun
An Ancient Greek weapon similar to a javelin
One of a series of threads of a septum of some actinians
acontius
acosmist
acosmist
noun
A follower of acosmism
acounter
acoustic
acoustic
adj
(architecture) (of building materials) Used for soundproofing or modifying sound.
(music) Naturally producing or produced by an instrument without electrical amplification or the need thereof.
(of a device or system) Utilizing sound energy in its operation.
(weaponry) (of an explosive mine or other weapon) Able to be set off by sound waves.
noun
(medicine) A medicine or other agent to assist hearing.
(usually in the plural) The properties or qualities of a room or building that determine how sound is transmitted in it.
Clipping of acoustic guitar.
acquaint
acquaint
adj
(obsolete) Acquainted.
verb
(transitive, archaic, followed by of or that) To communicate notice to; to inform; let know.
(transitive, followed by with) To furnish or give experimental knowledge of; to make (one) know; to make familiar.
(transitive, obsolete) To familiarize; to accustom.
acquests
acquests
noun
plural of acquest
acquital
acquital
noun
Obsolete spelling of acquittal.
acridest
acridest
adj
superlative form of acrid: most acrid
acridity
acridity
noun
(figurative) Bitterness in speech or behaviour; causticness.
An acrid taste or smell.
Bitterness or acerbity.
acritude
acritude
noun
acridity; pungency combined with heat.
acroatic
acroatic
adj
acroamatic
acrobats
acrobats
noun
plural of acrobat
verb
Third-person singular simple present indicative form of acrobat
acrocyst
acrocyst
noun
A chitinous cyst of the gonophore at the top of the gonotheca in some hydroids
acrodont
acrodont
adj
Having teeth immovably united to the top of the alveolar ridge.
noun
One of a group of lizards having the teeth immovably united to the top of the alveolar ridge
acrolith
acrolith
noun
(historical) An ancient Greek wooden statue furnished with a rupestral head and limbs.
acrostic
acrostic
adj
Of or pertaining to acrostics.
noun
A kind of word puzzle, the solution of which forms an anagram of a quotation, and their initials often form the name of its author.
A poem in Hebrew in which successive lines or verses start with consecutive letters of the alphabet.
A poem or other text in which certain letters, often the first in each line, spell out a name or message.
acrotism
acrotism
noun
(medicine) A lack or defect of the pulse.
acrylate
acrylate
noun
(organic chemistry) Any salt or ester of acrylic acid.
actifier
actifier
noun
(chemistry) Synonym of reactivator
actiniae
actinian
actinian
noun
A sea anemone (of the order Actiniaria).
actinias
actinias
noun
plural of actinia
actinide
actinide
noun
(chemistry) Any of the 14 elements from actinium to nobelium (lawrencium is excluded by some authors as it is a d-block rather than an f-block element).
(chemistry) Any of the 15 radioactive elements of the periodic table from actinium to lawrencium that are positioned under the lanthanides, to which they have similar chemistry.
(chemistry, dated) Any of the 14 elements from thorium to lawrencium (actinium having been mistakenly excluded because it was thought to be a d-block element in the past).
actinine
actinism
actinism
noun
(chemistry, physics) That property of electromagnetic radiation that leads to the production of photochemical effects
actinium
actinium
noun
A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
actinoid
actinoid
adj
Having the form of rays; radiated, as in the species of the family Actiniidae.
noun
(inorganic chemistry) actinide
actinons
actinons
noun
plural of actinon
actinost
actinost
noun
(ichthyology) A bone at the base of a paired fin (of a fish)
actinula
actinula
noun
(zoology) A kind of embryo of certain hydroids (Tubularia), having a stellate form.
actional
actional
adj
(grammar, of a verb) Depicting an action having an agent and a patient.
Of, pertaining to, or depicting action, especially physical action.
actioner
actioner
noun
(informal) An action movie.
actiones
activate
activate
verb
(transitive) To aerate in order to aid decomposition of organic matter.
(transitive) To encourage development or induce increased activity; to stimulate.
(transitive) To put a device, mechanism (alarm etc.) or system into action or motion; to trigger, to actuate, to set off, to enable.
(transitive, biology) To render a molecule reactive, active, or effective in performing its function.
(transitive, chemistry) To hasten a chemical reaction, especially by heating.
(transitive, chemistry, physics) To render more reactive; excite.
(transitive, computing, software) To remove the limitations of demoware by providing a license; to unlock.
(transitive, military) To organize or create a military unit or station.
(transitive, physics) To render a substance radioactive.
(transitive, sports) To bring a player back after an injury.
actively
actively
adv
(grammar) In the active form; not passive.
In an active manner.
activism
activism
noun
The practice of using action to achieve a result, such as political demonstration or a strike in support of or in opposition to an issue.
activist
activist
adj
Behaving as an activist.
noun
One who is conspicuously active in carrying out any occupational or professional functions.
One who is politically active in the role of a citizen; especially, one who campaigns for change.
activity
activity
noun
(countable) Something done as an action or a movement.
(countable) Something done for pleasure or entertainment, especially one involving movement or an excursion.
(grammar, semantics) The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point.
(physics) The number of radioactive decays per unit time. Unit for it: becquerel or curie
(uncountable) The state or quality of being active; activeness.
The propery of substances to react with other substances
activize
activize
verb
(transitive) To convert to activism.
actorish
actorish
adj
Of, pertaining to, or characteristic of an actor or theatrical acting; like an actor.
actressy
actressy
adj
Characteristic of an actress
Histrionic or theatrical
actually
actually
adv
(modal) In act or in fact; really; in truth; positively.
(obsolete) Actively.
(obsolete) Currently; at the time.
actuated
actuated
verb
simple past tense and past participle of actuate
actuates
actuates
verb
Third-person singular simple present indicative form of actuate
actuator
actuator
noun
(computer hardware) The mechanism that moves the head assembly on a disk drive.
(electrical) A relay that controls the flow of electricity.
A usually electric device that causes a mechanical device (i.e., a mechanism) to be switched on or off. For example; an electric motor that opens and closes a valve.
Something that actuates something else.
actutate
acuating
acuating
verb
present participle of acuate
acuation
acuation
noun
(rare) The act of sharpening.
acuities
acuities
noun
plural of acuity
aculeata
aculeate
aculeate
adj
(entomology) Having a stinger; stinging.
Having a sting; sharp like a prickle.
Having prickles or sharp points.
noun
Any insect of the infraorder Aculeata, which have ovipositors modified into stingers.
acushnet
acutance
acutance
noun
(photography) Edge contrast in an image; a component of sharpness.
acxoyatl
acylated
acylated
adj
(organic chemistry) Having an acyl functional group; modified by addition of an acyl group
verb
simple past tense and past participle of acylate
acylates
acylates
verb
Third-person singular simple present indicative form of acylate
adalbert
adamants
adamants
noun
plural of adamant
adamitic
adamsite
adamsite
noun
An organic compound, diphenylaminechlorarsine, used as a riot-control agent.
adapters
adapters
noun
plural of adapter
adapting
adapting
verb
present participle of adapt
adaption
adaption
noun
Alternative form of adaptation
adaptive
adaptive
adj
(psychology) Of a trait: that helps an individual to function well in society.
Capable of being adapted or of adapting; susceptible of or undergoing accordant change.
Of, pertaining to, characterized by or showing adaptation; making or made fit or suitable.
adaptors
adaptors
noun
plural of adaptor
addebted
addebted
adj
(obsolete) indebted
addicent
addicted
addicted
adj
Devoted to or obsessed with something.
Having a biochemical addiction.
verb
simple past tense and past participle of addict
addiment
addiment
noun
(immunology, archaic) Synonym of complement
addition
addition
noun
(chiefly law) A title annexed to a person's name to identify him or her more precisely.
(heraldry) Something added to a coat of arms, as a mark of honour.
(music) A dot at the right side of a note as an indication that its sound is to be lengthened one half.
(uncountable) The act of adding anything.
(uncountable) The arithmetic operation of adding.
Anything that is added.
additive
additive
adj
(chemistry) Pertaining to chemical addition.
(genetics) Of or pertaining to genes (or the interaction etc. of such genes) which govern the same trait and whose effects work together on the phenotype.
(group theory, of a group, semigroup, etc.) Whose operator is identified as addition.
(mathematics) Pertaining to addition; that can be, or has been, added.
(mathematics, of a function, etc.) That is distributive over addition.
noun
(grammar) A word or phrase that adds something, such as also, even, or nor.
A substance added to another substance or product to produce specific properties in the combined substance.
additory
additory
adj
(rare) Tending to add; making some addition.
adducent
adducent
adj
(physiology) Related to the muscles of the body which pull one part towards another.
adducted
adducted
verb
simple past tense and past participle of adduct
adductor
adductor
noun
(anatomy) A muscle which draws a limb or part of the body toward the middle line of the body, or closes extended parts of the body; -- opposed to abductor
addyston
adelante
adelanto
adelbert
adempted
adempted
verb
simple past tense and past participle of adempt
adenitis
adenitis
noun
(medicine, pathology) Glandular inflammation.
adeptest
adeptest
adj
(archaic) superlative form of adept: most adept
adeption
adeption
noun
(obsolete) An obtaining; attainment.
adequate
adequate
adj
Equal to or fulfilling some requirement.
det
A sufficient amount of; enough.
verb
(obsolete) To equal.
(obsolete) To equalize; to make adequate.
adespota
adespota
noun
(bibliography) Literary works not attributed to (or claimed by) an author. (Originally used as a title of collections of anonymous Greek poetry.)
adfected
adfected
adj
(algebra, archaic, of an equation) Having different powers of the unknown quantity in its various terms.
adhamant
adhamant
adj
(rare) Clinging, as by hooks.
adherant
adherent
adherent
adj
(botany) Attaching or pressing against a different organ.
Adhesive, sticking to something.
Having the quality of clinging or sticking fast to something.
noun
A person who has membership in some group, association or religion.
adhibits
adhibits
verb
Third-person singular simple present indicative form of adhibit
adiantum
adiantum
noun
The maidenhair fern and related ferns (of the genus Adiantum)
adiating
adiating
verb
present participle of adiate
adiation
adjacent
adjacent
adj
(figuratively, postpositive) Related to; suggestive of; bordering on.
Just before, after, or facing.
Lying next to, close, or contiguous; neighboring; bordering on.
noun
Something that lies next to something else, especially the side of a right triangle that is neither the hypotenuse nor the opposite.
prep
(figuratively) Related to; suggestive of; bordering on.
Next to; beside.
adjoints
adjoints
noun
plural of adjoint
adjugate
adjugate
noun
(mathematics) The transpose of the respective cofactor matrix, for a given matrix. One of the factors in calculating the inverse of a matrix. Commonly notated as adj(A), where A is the given matrix.
verb
(obsolete) To yoke an animal to something
adjument
adjument
noun
(obsolete) Help; support; that which or one who helps or supports.
adjuncts
adjuncts
noun
plural of adjunct
adjuntas
adjusted
adjusted
adj
Which has been compensated in order to avoid bias.
verb
simple past tense and past participle of adjust
adjuster
adjuster
noun
One who adjusts, especially for the insurance industry's employment title "loss adjuster" (or "claims adjuster" in the United States).
adjustor
adjustor
noun
Alternative form of adjuster
adjutage
adjutage
noun
Alternative form of ajutage
adjutant
adjutant
adj
Assistant; who helps a higher-ranking officer.
noun
(military) A lower-ranking officer who assists a higher-ranking officer with administrative affairs.
(zoology) Any bird of the genus Leptoptilos, a branch of the stork family (Ciconiidae) native to India and Southeast Asia.
An assistant.
adjutory
adjutory
adj
(obsolete) Serving to help or assist.
adjutrix
adjutrix
noun
A female adjutor.
adjuvant
adjuvant
adj
(medicine) Designating a supplementary form of treatment, especially a cancer therapy administered after removal of a primary tumour. [from 19th c.]
Helping; helpful; assisting. [from 16th c.]
noun
(agriculture) An additive (often a separate product) that enhances the efficacy of pesticide products, but has little or no pesticidal activity itself. [from mid 20th c.]
(immunology) A substance enhancing the immune response to an antigen. [from 20th c.]
(medicine) Something that enhances the effectiveness of a medical treatment; a supplementary treatment. [from 18th c.]
(pharmacology) An additive (as in a drug) that aids or modifies the action of the principal ingredient. [from 19th c.]
Someone who helps or facilitates; an assistant, a helper. [from 16th c.]
adjuvate
adjuvate
verb
To help; to further
admitted
admitted
verb
simple past tense and past participle of admit
admittee
admittee
noun
One who is admitted.
admitter
admitter
noun
Someone who or something which admits.
adnation
adnation
noun
(botany) The adhesion or cohesion of different floral verticils or sets of organs.
adonitol
adonitol
noun
Ribitol.
adoptant
adoptees
adoptees
noun
plural of adoptee
adopters
adopters
noun
plural of adopter
adoptian
adoptian
noun
(Christianity) A proponent of adoptianism.
adopting
adopting
verb
present participle of adopt
adoption
adoption
noun
(chess, slang) Ten consecutive wins against an opponent.
(computing) Transfer between an old system to another (usually better) system.
(theology) An act of divine grace by which the redeemed in Christ are admitted to the privileges of the sons of God.
Admission to an institution, for example a hospital, clinic, mental asylum.
The act of adopting.
The choosing and making that to be one's own which originally was not so; acceptance
The state of being adopted; the acceptance of a child of other parents as if he or she were one's own child.
adoptive
adoptive
adj
Pertaining to adoption.
Related through adoption.
adoretus
adrastea
adrastea
Proper noun
The goddess of divine retribution
Smallest of the four inner moons of Jupiter.
adrastos
adrastus
adrectal
adrestus
adriatic
adriatic
Adjective
Of or pertaining to the Adriatic Sea
Proper noun
The Adriatic Sea, an extension of the Mediterranean Sea located between Italy and the Dalmatian coast of the Balkans.
adrogate
adrogate
verb
(transitive, Ancient Rome, law, historical) To adopt (a person who is his own master).
adroiter
adroiter
adj
comparative form of adroit: more adroit
adroitly
adroitly
adv
Deftly; in an adroit manner.
In a manner exhibiting skill at handling situations, particularly difficult situations.
adrostal
adscript
adscript
adj
Held to service as attached to the soil; said of feudal serfs.
noun
(typography) Something written or printed immediately after another character and aligned with it.
A feudal serf or labourer who is attached to an estate and sold or transferred with it.
verb
(transitive) To hold (a person) to service as attached to the soil; said of feudal serfs.
adsheart
adsheart
intj
(obsolete) Synonym of zounds
adstrict
adstrict
verb
Alternative form of astrict
adulated
adulated
verb
simple past tense and past participle of adulate
adulates
adulates
verb
Third-person singular simple present indicative form of adulate