(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
acrylates
acrylates
noun
plural of acrylate
actionary
actionary
noun
(business, obsolete) A shareholder in a joint-stock company.
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.
actresses
actresses
noun
plural of actress
actuarial
actuarial
adj
Of or pertaining to actuaries.
Relating to statistical calculation, especially pertaining to insurance.
actuarian
actuarian
adj
Synonym of actuarial
noun
Synonym of actuary
actuaries
actuaries
noun
plural of actuary
actuators
actuators
noun
plural of actuator
acuductor
acurative
acusector
acutiator
acyrology
acyrology
noun
(obsolete, rare) The incorrect use of language
adamastor
adamastor
noun
A hideous phantom
adamsburg
adderbolt
adderbolt
noun
(now UK dialectal) A dragonfly.
adderfish
adderspit
adderwort
adderwort
noun
Common bistort (Bistorta officinalis, syn. Persicaria bistorta) or snakeweed.
addressed
addressed
adj
(possessional) Of a document, marked with an address.
Having been the audience for an address, speech or presentation.
verb
simple past tense and past participle of address
addressee
addressee
noun
(linguistics) A person or entity to whom discourse is directed, or the words referring to such an entity.
The person or organization to which something, such as a letter or message, is addressed or sent, for whom the item is intended.
addresser
addresser
noun
A machine that addresses.
A person who addresses (applies an address to an object to be delivered to a particular location).
A person who addresses someone (directs spoken or written communication toward someone).
A person who gives an address or speech.
addresses
addresses
noun
plural of address
verb
Third-person singular simple present indicative form of address
addressor
addressor
noun
Alternative form of addresser
adductors
adductors
noun
plural of adductor
adelaster
adelaster
noun
(botany) A provisional name for a plant which has not had its flowers botanically examined, and therefore has not been referred to its proper genus.
adeniform
adeniform
adj
Shaped like a gland; adenoid.
adffrozen
adherence
adherence
noun
(Scotland, law) The fulfilment of the legal obligation of residing with wife or husband.
(medicine) An extent to which a patient continues an agreed treatment plan.
A close physical union of two objects.
Faithful support for some cause.
adherency
adherency
noun
(obsolete) That which adheres.
(obsolete) The state or quality of being adherent; adherence.
adherends
adherends
noun
plural of adherend
adherents
adherents
noun
plural of adherent
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
adigranth
adipocere
adipocere
noun
A brown, fatty, waxy substance (fatty acids) that forms on dead animal tissues in response to hydrolysis
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
adjusters
adjusters
noun
plural of adjuster
adjustors
adjustors
noun
plural of adjustor
adjutator
adjutator
noun
(archaic) Alternative spelling of agitator
adjutrice
adjutrice
noun
Alternative form of adjutrix (“female adjutor”)
adlegiare
admeasure
admeasure
verb
(transitive) To apportion.
(transitive, law, obsolete) To survey and lay off a due portion to, as of dower in real estate or of pasture held in common.
admirable
admirable
adj
Deserving of the highest esteem or admiration.
admirably
admirably
adv
In a way worthy of admiration.
To an admirable degree.
admiralty
admiralty
noun
(law) The court which has jurisdiction of maritime questions and offenses.
(law) The system of jurisprudence of admiralty courts.
(military) The building in which the lords of the admiralty, in England, transact business.
(military) The department or officers having authority over naval affairs generally.
(military) The office or jurisdiction of an admiral.
admirance
admirance
noun
(obsolete) admiration
admirator
admirator
noun
(archaic) An admirer; one who admires.
admiredly
admiredly
adv
(archaic) So as to be admired.
admissory
admissory
adj
Pertaining to admission.
admitters
admitters
noun
plural of admitter
admixture
admixture
noun
(epilepsy) a mixture composed of entities retaining their individual properties.
A mixing-in of a biologically or genetically differentiated group to an established stock.
A mixture, in some contexts
An instance of admixing, a mixing in of something.
admonitor
admonitor
noun
An admonisher; a monitor.
adoperate
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.
adrenalin
adrenalin
noun
Alternative spelling of adrenaline
adrenally
adrenally
adv
In adrenal terms.
adrenitis
adrenitis
noun
Alternative form of adrenalitis
adroitest
adroitest
adj
superlative form of adroit: most adroit
adrostral
adrostral
adj
(zoology) Near the rostrum (snout)
adscripts
adscripts
noun
plural of adscript
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
adstringe
adularias
adularias
noun
plural of adularia
adulators
adulators
noun
plural of adulator
adulatory
adulatory
adj
Exhibiting adulation; overly flattering.
adulterer
adulterer
noun
A male adulterer specifically, opposite adulteress referring to female ones.
One who commits adultery: a spouse who has sex with a non-spouse
adultress
adultress
noun
Alternative form of adulteress
adumbrant
adumbrant
adj
Giving a faint shadow, or slight resemblance; shadowing forth.
adumbrate
adumbrate
verb
To foreshadow vaguely.
To give a vague outline.
To obscure or overshadow.
advancers
advancers
noun
plural of advancer
adventure
adventure
noun
(obsolete) Chance of danger or loss.
(obsolete) Risk; danger; peril.
(obsolete) That which happens by chance; hazard; hap.
(uncountable) A feeling of desire for new and exciting things.
(video games) A text adventure or an adventure game.
A mercantile or speculative enterprise of hazard; a venture; a shipment by a merchant on his own account.
A remarkable occurrence; a striking event.
The encountering of risks; a bold undertaking, in which dangers are likely to be encountered, and the issue is staked upon unforeseen events; a daring feat.
verb
(archaic, intransitive) To try the chance; to take the risk.
(archaic, transitive) To risk or hazard; jeopard; venture.
(archaic, transitive) To venture upon; to run the risk of; to dare.
adverbial
adverbial
adj
(grammar) Of or relating to an adverb.
noun
(grammar) An adverbial word or phrase.
adversant
adversary
adversary
noun
An opponent or rival.
adversely
adversely
adv
In an adverse manner.
adversing
adversion
adversion
noun
(obsolete) An adverting or turning towards; attention.
A tendency or wish to avoid someone or something.
adversity
adversity
noun
(countable) An event that is adverse; calamity.
(uncountable) The state of adverse conditions; state of misfortune or calamity.
adversive
adversive
adj
causing adversion
opposite, contrary
advertent
advertent
adj
Attentive.
Not inadvertent; intentional.
adverting
adverting
verb
present participle of advert
advertise
advertise
verb
(card games) In gin rummy, to discard a card of one's preferred suit so as to mislead the opponent into thinking you do not want it.
(intransitive) To provide information about a person or goods and services to influence others.
(transitive) To give (especially public) notice of (something); to announce publicly.
(transitive) To provide public information about (a product, service etc.) in order to attract public awareness and increase sales.
(transitive, now rare) To notify (someone) of something; to call someone's attention to something.
advertize
advertize
verb
(archaic, now nonstandard, proscribed) Alternative spelling of advertise
advocator
advocator
noun
One who advocates; an advocate
aegicores
aegritude
aegrotant
aepyceros
aepyornis
aequoreal
aequoreal
adj
(archaic, rare, poetic) marine; oceanic
aequorins
aequorins
noun
plural of aequorin
aerations
aerations
noun
plural of aeration
aerialist
aerialist
noun
(obsolete) One who operates a flying machine; a balloonist or aviator.
(obsolete, rare) A person whose knowledge of agriculture is purely academic and not derived from experience.
(skiing) A specialist in aerials, a freestyle skiing discipline.
An acrobat performing high off the ground, defying a fall to earth, as on a trapeze or a tightrope.
aeriality
aeriality
noun
The state of being aerial or airy; insubstantiality.
aerifying
aerifying
verb
present participle of aerify
aerobated
aerobated
verb
simple past tense and past participle of aerobate
aerobatic
aerobatic
adj
Having to do with acrobatic maneuvers, such as spins, twirls, and flips, performed by an airplane.
aerobiont
aerobiont
noun
(biology) Any organism that needs air (oxygen) to survive
aerobious
aerobious
adj
(obsolete) aerobic
aerocraft
aerocraft
noun
(dated or nonstandard) An aircraft.
aerocurve
aerocurve
noun
(aviation, historical) A kind of early aeroplane with curved surfaces.
aerodrome
aerodrome
noun
(Britain) An airfield equipped with air traffic control facilities and hangars as well as accommodation for passengers and cargo; an airport.
(law, Australia, Canada, term of art) Any area of land or water used for aircraft operation, regardless of facilities.
(obsolete) A flying machine composed of aeroplanes. An aeroplane, particularly one constructed by or according to the design of Samuel Pierpont Langley and Charles M. Manly.
An airfield used for managed aircraft operation, either military or civilian, having such facilities as are necessary for operation.