Webster's Unabridged Dictionary - Letter A - Page 18

Acrid (a.) Causing heat and irritation; corrosive; as, acrid secretions.

Acrid (a.) Caustic; bitter; bitterly irritating; as, acrid temper, mind, writing.

Acridity (n.) Alt. of Acridness

Acridness (n.) The quality of being acrid or pungent; irritant bitterness; acrimony; as, the acridity of a plant, of a speech.

Acridly (adv.) In an acid manner.

Acrimonious (a.) Acrid; corrosive; as, acrimonious gall.

Acrimonious (a.) Caustic; bitter-tempered' sarcastic; as, acrimonious dispute, language, temper.

Acrimoniously (adv.) In an acrimonious manner.

Acrimoniousness (n.) The quality of being acrimonious; asperity; acrimony.

Acrimonies (pl. ) of Acrimony

Acrimony (n.) A quality of bodies which corrodes or destroys others; also, a harsh or biting sharpness; as, the acrimony of the juices of certain plants.

Acrimony (n.) Sharpness or severity, as of language or temper; irritating bitterness of disposition or manners.

Acrisia (n.) Alt. of Acrisy

Acrisy (n.) Inability to judge.

Acrisy (n.) Undecided character of a disease.

Acrita (n. pl.) The lowest groups of animals, in which no nervous system has been observed.

Acritan (a.) Of or pertaining to the Acrita.

Acritan (n.) An individual of the Acrita.

Acrite (a.) Acritan.

Acritical (a.) Having no crisis; giving no indications of a crisis; as, acritical symptoms, an acritical abscess.

Acritochromacy (n.) Color blindness; achromatopsy.

Acritude (n.) Acridity; pungency joined with heat.

Acrity (n.) Sharpness; keenness.

Acroamatic (a.) Alt. of Acroamatical

Acroamatical (a.) Communicated orally; oral; -- applied to the esoteric teachings of Aristotle, those intended for his genuine disciples, in distinction from his exoteric doctrines, which were adapted to outsiders or the public generally. Hence: Abstruse; profound.

Acroatic (a.) Same as Acroamatic.

Acrobat (n.) One who practices rope dancing, high vaulting, or other daring gymnastic feats.

Acrobatic (a.) Pertaining to an acrobat.

Acrobatism (n.) Feats of the acrobat; daring gymnastic feats; high vaulting.

Acrocarpous (a.) Having a terminal fructification; having the fruit at the end of the stalk.

Acrocarpous (a.) Having the fruit stalks at the end of a leafy stem, as in certain mosses.

Acrocephalic (a.) Characterized by a high skull.

Acrocephaly (n.) Loftiness of skull.

Acroceraunian (a.) Of or pertaining to the high mountain range of "thunder-smitten" peaks (now Kimara), between Epirus and Macedonia.

Acrodactylum (n.) The upper surface of the toes, individually.

Acrodont (n.) One of a group of lizards having the teeth immovably united to the top of the alveolar ridge.

Acrodont (a.) Of or pertaining to the acrodonts.

Acrogen (n.) A plant of the highest class of cryptogams, including the ferns, etc. See Cryptogamia.

Acrogenous (a.) Increasing by growth from the extremity; as, an acrogenous plant.

Acrolein (n.) A limpid, colorless, highly volatile liquid, obtained by the dehydration of glycerin, or the destructive distillation of neutral fats containing glycerin. Its vapors are intensely irritating.

Acrolith (n.) A statue whose extremities are of stone, the trunk being generally of wood.

Acrolithan (a.) Alt. of Acrolithic

Acrolithic (a.) Pertaining to, or like, an acrolith.

Acromegaly (n.) Chronic enlargement of the extremities and face.

Acromial (a.) Of or pertaining to the acromion.

Acromion (n.) The outer extremity of the shoulder blade.

Acromonogrammatic (a.) Having each verse begin with the same letter as that with which the preceding verse ends.

Acronyc (a.) Alt. of Acronychal

Acronychal (a.) Rising at sunset and setting at sunrise, as a star; -- opposed to cosmical.

Acronycally (adv.) In an acronycal manner as rising at the setting of the sun, and vice versa.

Acronyctous (a.) Acronycal.

Acrook (adv.) Crookedly.

Acropetal (a.) Developing from below towards the apex, or from the circumference towards the center; centripetal; -- said of certain inflorescence.

Acrophony (n.) The use of a picture symbol of an object to represent phonetically the initial sound of the name of the object.

Acropodium (n.) The entire upper surface of the foot.

Acropolis (n.) The upper part, or the citadel, of a Grecian city; especially, the citadel of Athens.

Acropolitan (a.) Pertaining to an acropolis.

Acrospire (n.) The sprout at the end of a seed when it begins to germinate; the plumule in germination; -- so called from its spiral form.

Acrospire (v. i.) To put forth the first sprout.

Acrospore (n.) A spore borne at the extremity of the cells of fructification in fungi.

Acrosporous (a.) Having acrospores.

Across (n.) From side to side; athwart; crosswise, or in a direction opposed to the length; quite over; as, a bridge laid across a river.

Across (adv.) From side to side; crosswise; as, with arms folded across.

Across (adv.) Obliquely; athwart; amiss; awry.

Acrostic (n.) A composition, usually in verse, in which the first or the last letters of the lines, or certain other letters, taken in order, form a name, word, phrase, or motto.

Acrostic (n.) A Hebrew poem in which the lines or stanzas begin with the letters of the alphabet in regular order (as Psalm cxix.). See Abecedarian.

Acrostic (n.) Alt. of Acrostical

Acrostical (n.) Pertaining to, or characterized by, acrostics.

Acrostically (adv.) After the manner of an acrostic.

Acrotarsium (n.) The instep or front of the tarsus.

Acroteleutic (n.) The end of a verse or psalm, or something added thereto, to be sung by the people, by way of a response.

Acroter (n.) Same as Acroterium.

Acroterial (a.) Pertaining to an acroterium; as, acroterial ornaments.

Acroteria (pl. ) of Acroterium

Acroterium (n.) One of the small pedestals, for statues or other ornaments, placed on the apex and at the basal angles of a pediment. Acroteria are also sometimes placed upon the gables in Gothic architecture.

Acroterium (n.) One of the pedestals, for vases or statues, forming a part roof balustrade.

Acrotic (a.) Pertaining to or affecting the surface.

Acrotism (n.) Lack or defect of pulsation.

Acrotomous (a.) Having a cleavage parallel with the base.

Acrylic (a.) Of or containing acryl, the hypothetical radical of which acrolein is the hydride; as, acrylic acid.

Act (n.) That which is done or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed.

Act (n.) The result of public deliberation; the decision or determination of a legislative body, council, court of justice, etc.; a decree, edit, law, judgment, resolve, award; as, an act of Parliament, or of Congress.

Act (n.) A formal solemn writing, expressing that something has been done.

Act (n.) A performance of part of a play; one of the principal divisions of a play or dramatic work in which a certain definite part of the action is completed.

Act (n.) A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student.

Act (n.) A state of reality or real existence as opposed to a possibility or possible existence.

Act (n.) Process of doing; action. In act, in the very doing; on the point of (doing).

Acted (imp. & p. p.) of Act

Acting (p. pr. & vb. n.) of Act

Act (v. t.) To move to action; to actuate; to animate.

Act (v. t.) To perform; to execute; to do.

Act (v. t.) To perform, as an actor; to represent dramatically on the stage.

Act (v. t.) To assume the office or character of; to play; to personate; as, to act the hero.

Act (v. t.) To feign or counterfeit; to simulate.

Act (v. i.) To exert power; to produce an effect; as, the stomach acts upon food.

Act (v. i.) To perform actions; to fulfill functions; to put forth energy; to move, as opposed to remaining at rest; to carry into effect a determination of the will.

Act (v. i.) To behave or conduct, as in morals, private duties, or public offices; to bear or deport one's self; as, we know not why he has acted so.

Act (v. i.) To perform on the stage; to represent a character.

Actable (a.) Capable of being acted.

Actinal (a.) Pertaining to the part of a radiate animal which contains the mouth.

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