(organic chemistry) An intensely poisonous alkaloid, extracted from aconite
aconitums
aconitums
noun
plural of aconitum
acopyrine
acoumeter
acoumeter
noun
(physics) An instrument for measuring the acuteness of the sense of hearing.
acoumetry
acoumetry
noun
The measuring of the power or extent of hearing.
acousmata
acousmata
noun
plural of acousma
acoustics
acoustics
noun
(physics) The science of sounds, teaching their nature, phenomena and laws.
plural of acoustic
acroamata
acroamata
noun
plural of acroama
acrobates
acrobatic
acrobatic
adj
Of or pertaining to an acrobat.
vigorously active
acroblast
acroblast
noun
(medicine) Material derived from the Golgi apparatus from which the acrosome develops during spermatogenesis.
(medicine, archaic) A type of embryonic cell forming a layer external to the mesoblast.
acrocarpi
acrocomia
acrodonts
acrodonts
noun
plural of acrodont
acrodrome
acrodrome
adj
(botany, of the veins of a leaf) That run parallel to the edges of the leaf and meet at the tip
acrodynia
acrodynia
noun
(pathology) An epidemic disease of the skin characterized by increased sensibility of the soles and palms, with pricking sensations in them and rheumatoid pains in the hands and feet.
acrogenic
acrogenic
adj
Alternative form of acrogenous
acrogynae
acroleins
acroleins
noun
plural of acrolein
acroliths
acroliths
noun
plural of acrolith
acrologic
acrologic
adj
Of or pertaining to acronyms
Of or pertaining to the naming of hieroglyphic symbols by the first phonetic sound of the picture they represent
acrologue
acromania
acromania
noun
(obsolete) mental illness (especially when accompanied by hyperactivity)
acrometer
acromimia
acromyodi
acronical
acronical
adj
(astronomy) Alternative form of acronycal
Occurring at sunset.
Occurring at the end of life.
acronycal
acronycal
adj
(astronomy) Rising at sunset and setting at sunrise, as a star.
acronycta
acronymic
acronymic
Adjective
Pertaining to the use of acronyms.
acropathy
acropathy
noun
Any disease specific to the extremities.
acropetal
acropetal
adj
(botany) That develops, matures or opens from the base towards the apex in sequence.
acrophony
acrophony
noun
The naming of letters in an alphabetic writing system using words whose initial sounds are represented by the respective letters.
acropodia
acropodia
noun
plural of acropodium
acropolis
acropolis
noun
A promontory (usually fortified with a citadel) forming the hub of many Grecian cities, and around which many were built for defensive purposes before and during the classical period; compare Acropolis.
acrosarca
acrosomes
acrosomes
noun
plural of acrosome
acrospire
acrospire
noun
(botany) The sprout at the end of a seed when it begins to germinate.
verb
To put forth the first sprout.
acrospore
acrospore
noun
A spore borne at the extremity of the cells of fructification in fungi.
acrostics
acrostics
noun
plural of acrostic
acroteral
acroteria
acroteria
noun
plural of acroterium
acroteric
acroteric
adj
Relating to the extremities of the limbs or to the tip of the nose
acrotisms
acrotreta
actinoida
actinoids
actinoids
noun
plural of actinoid
actinopod
actinopod
noun
(zoology) Any member of the variously ranked group Actinopoda of protozoa.
actinozoa
actinozoa
noun
plural of actinozoon
actionary
actionary
noun
(business, obsolete) A shareholder in a joint-stock company.
actionist
actionist
noun
(art, sometimes capitalized) One taking part in the actionism movement.
Synonym of activist
actionize
actionize
verb
(transitive, rare) To bring a legal action against; to sue.
activator
activator
noun
(biology) A type of effector that increases the rate of enzyme-mediated reactions.
(biology) Any chemical or agent which regulates one or more genes by increasing the rate of transcription.
(chemistry) Something that activates a catalyst
(mining) An agent that enables the flotation of a mineral or minerals.
A type of dopant used in phosphors and scintillators.
One who, or that which, activates.
actoridae
actorship
actorship
noun
The state or quality associated with being an actor.
actuation
actuation
noun
The act of putting into motion.
actuators
actuators
noun
plural of actuator
acuductor
aculeolus
acuminose
acuminose
adj
Terminating in a flat, narrow end.
acuminous
acuminous
adj
Characterized by acumen; keen.
acusector
acutiator
acylamido
acylamido
noun
(organic chemistry, especially in combination) Any radical derived from an acyl amide
acylamino
acylamino
noun
(organic chemistry, especially in combination) Any acyl derivative of an amino group
acylation
acylation
noun
(organic chemistry) The process of adding an acyl group to a compound.
acyrology
acyrology
noun
(obsolete, rare) The incorrect use of language
adagietto
adagietto
adv
(music) More lighthearted than adagio.
noun
(music) A tempo mark directing that a passage is to be played slightly faster than adagio.
adamastor
adamastor
noun
A hideous phantom
adamstown
adamstown
Proper noun
The capital and only settlement of the
A village in Ireland
A in Maryland.
A borough in Pennsylvania.
adansonia
adansonia
noun
Any member of the tree genus Adansonia, the baobabs.
adaptions
adaptions
noun
plural of adaption
adderbolt
adderbolt
noun
(now UK dialectal) A dragonfly.
adderwort
adderwort
noun
Common bistort (Bistorta officinalis, syn. Persicaria bistorta) or snakeweed.
addiction
addiction
noun
(medicine) A state that is characterized by compulsive drug use or compulsive engagement in rewarding behavior, despite negative consequences.
A habit or practice that damages, jeopardizes or shortens one's life but when ceased causes trauma.
A pathological relationship to mood altering experience that has life damaging consequences.
The state of being addicted; devotion; inclination.
addington
additions
additions
noun
plural of addition
addleplot
addressor
addressor
noun
Alternative form of addresser
adduction
adduction
noun
(anatomy) The action by which the parts of the body are drawn towards its axis; -- opposed to abduction.
The act of adducing or bringing forward.
adductors
adductors
noun
plural of adductor
adelphous
adelphous
adj
(botany) Having coalescent or clustered filaments.
ademonist
ademption
ademption
noun
(law) In the law of wills, the determination of what happens when property left under a will is no longer in the testator's estate when the testator dies.
adeniform
adeniform
adj
Shaped like a gland; adenoid.
adenocele
adenocele
noun
A cystadenoma, a hidrocystoma.
adenocyst
adenoidal
adenoidal
adj
(anatomy) Of or pertaining to the adenoids.
(of a voice) Sounding as if the speaker has swollen adenoids.
adenology
adenology
noun
The part of physiology that treats of the glands.
adenomata
adenomata
noun
plural of adenoma
adenoncus
adenosine
adenosine
noun
(biochemistry, genetics, organic chemistry) A nucleoside derived from adenine and ribose, found in striated muscle tissue.
adenotome
adenotomy
adenotomy
noun
(anatomy, surgery) Dissection of, or incision into, a gland or glands.
adeodatus
adespoton
adffrozen
adfluxion
adfluxion
noun
Alternative form of affluxion
adhesions
adhesions
noun
plural of adhesion
adhocracy
adhocracy
noun
(business, organizational theory) An organizational system designed to be flexible and responsive to the needs of the moment rather than excessively bureaucratic.
adiaphora
adiaphora
noun
(nonstandard, uncommon) in singular use
plural of adiaphoron
adiaphory
adiaphory
noun
(obsolete) indifference
adipocele
adipocere
adipocere
noun
A brown, fatty, waxy substance (fatty acids) that forms on dead animal tissues in response to hydrolysis
adipocyte
adipocyte
noun
(cytology) a type of cell, present in adipose tissue, where fat is stored as a source of energy
adipomata
adiposity
adiposity
noun
Obesity; the state of being fat.
The condition of being adipose; adipose tissue.
adjection
adjection
noun
Act of adjecting or adding, or the thing added.
adjoinant
adjoinant
adj
(obsolete) Contiguous, adjoining.
adjoining
adjoining
adj
Being in contact at some point or line; joining to
verb
present participle of adjoin
adjournal
adjournal
noun
adjournment; postponement
adjourned
adjourned
adj
(of a meeting, event or trial) Having been adjourned; suspended or paused.
verb
simple past tense and past participle of adjourn
adjustors
adjustors
noun
plural of adjustor
adjutator
adjutator
noun
(archaic) Alternative spelling of agitator
admirator
admirator
noun
(archaic) An admirer; one who admires.
admission
admission
noun
(Britain, ecclesiastical law) Declaration of the bishop that he approves of the presentee as a fit person to serve the cure of the church to which he is presented.
(law) Acquiescence or concurrence in a statement made by another, and distinguishable from a confession in that an admission presupposes prior inquiry by another, but a confession may be made without such inquiry.
A fact, point, or statement admitted; as, admission made out of court are received in evidence
Permission to enter, or the entrance itself; admittance; entrance; access
The act or practice of admitting.
The cost or fee associated with attendance or entry.
The granting of an argument or position not fully proved; the act of acknowledging something asserted; acknowledgement; concession.
admissory
admissory
adj
Pertaining to admission.
admixtion
admixtion
noun
(archaic) A mingling of different things; an admixture.
admonitor
admonitor
noun
An admonisher; a monitor.
adnations
adnations
noun
plural of adnation
adnominal
adnominal
adj
(grammar) Involving or relating to words that modify a noun.
(grammar, dated) Of or pertaining to an adnoun (sensu stricto).
noun
(grammar) The adnominal case: A word or phrase qualifying a noun, such as an adjective or a relative clause.
adolesced
adolesced
verb
simple past tense and past participle of adolesce
adonizing
adonizing
verb
present participle of adonize
adoperate
adoptable
adoptable
adj
Able to be adopted.
Desirable to adopt.
noun
(online gaming) A unique creature for a user to adopt.
A person or animal that is eligible to be adopted.
adoptedly
adoptedly
adv
In a manner of something adopted.
adoptions
adoptions
noun
plural of adoption
adoptious
adoptious
adj
(obsolete) Adopted.
adorantes
adoration
adoration
noun
(countable) An act of religious worship.
(historical) The selection of a pope by acclamation and before any formal ballot (excluded as a voting method in 1621 by Pope Gregory XV).
(religion) Worship of Christ in the Eucharistic host in the Catholic Church, often while exposed in a monstrance.
(uncountable) Admiration or esteem.
(uncountable) The act of adoring; loving devotion or fascination.
adoratory
adoratory
adj
Expressing adoration.
noun
A room in a temple for the adoration of idols.
adoringly
adoringly
adv
In an adoring manner.
adornment
adornment
noun
A decoration; that which adorns.
The act of decorating.
adoxaceae
adroitest
adroitest
adj
superlative form of adroit: most adroit
adrostral
adrostral
adj
(zoology) Near the rostrum (snout)
adsorbate
adsorbate
noun
a substance that has been adsorbed
adsorbent
adsorbent
adj
Tending to adsorb.
noun
The solid or liquid in the process of adsorption on which the adsorbate accumulates.
adsorbing
adsorbing
verb
present participle of adsorb
adulation
adulation
noun
Flattery; fulsome praise.
adulators
adulators
noun
plural of adulator
adulatory
adulatory
adj
Exhibiting adulation; overly flattering.
adulthood
adulthood
noun
The state or condition of a human being once it has reached physical maturity, and is presumed to have reached a state of psychological maturity, to wit: once it has become an adult.
The time period of a human being's majority; the time during which a human being has reached physical maturity, and ending with its death.
adunation
adunation
noun
The act of uniting; union.
advection
advection
noun
(earth science, chemistry) The horizontal movement of a body of atmosphere (or other fluid) along with a concurrent transport of its temperature, humidity etc.
The transport of a scalar by bulk fluid motion.
adversion
adversion
noun
(obsolete) An adverting or turning towards; attention.
A tendency or wish to avoid someone or something.
advocated
advocated
adj
Having been argued in favor of.
verb
simple past tense and past participle of advocate
advocates
advocates
noun
plural of advocate
verb
Third-person singular simple present indicative form of advocate