Acerous (a.) Without antennae, as some insects.
Acerval (a.) Pertaining to a heap.
Acervate (v. t.) To heap up.
Acervate (a.) Heaped, or growing in heaps, or closely compacted clusters.
Acervation (n.) A heaping up; accumulation.
Acervative (a.) Heaped up; tending to heap up.
Acervose (a.) Full of heaps.
Acervuline (a.) Resembling little heaps.
Acescence (n.) Alt. of Acescency
Acescency (n.) The quality of being acescent; the process of acetous fermentation; a moderate degree of sourness.
Acescent (a.) Turning sour; readily becoming tart or acid; slightly sour.
Acescent (n.) A substance liable to become sour.
Acetable (n.) An acetabulum; or about one eighth of a pint.
Acetabular (a.) Cup-shaped; saucer-shaped; acetabuliform.
Acetabulifera (n. pl.) The division of Cephalopoda in which the arms are furnished with cup-shaped suckers, as the cuttlefishes, squids, and octopus; the Dibranchiata. See Cephalopoda.
Acetabuliferous (a.) Furnished with fleshy cups for adhering to bodies, as cuttlefish, etc.
Acetabuliform (a.) Shaped like a shallow cup; saucer-shaped; as, an acetabuliform calyx.
Acetabulum (n.) A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc.
Acetabulum (n.) The bony cup which receives the head of the thigh bone.
Acetabulum (n.) The cavity in which the leg of an insect is inserted at its articulation with the body.
Acetabulum (n.) A sucker of the sepia or cuttlefish and related animals.
Acetabulum (n.) The large posterior sucker of the leeches.
Acetabulum (n.) One of the lobes of the placenta in ruminating animals.
Acetal (n.) A limpid, colorless, inflammable liquid from the slow oxidation of alcohol under the influence of platinum black.
Acetaldehyde (n.) Acetic aldehyde. See Aldehyde.
Acetamide (n.) A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl.
Acetanilide (n.) A compound of aniline with acetyl, used to allay fever or pain; -- called also antifebrine.
Acetarious (a.) Used in salads; as, acetarious plants.
Acetary (n.) An acid pulp in certain fruits, as the pear.
Acetate (n.) A salt formed by the union of acetic acid with a base or positive radical; as, acetate of lead, acetate of potash.
Acetated (a.) Combined with acetic acid.
Acetic (a.) Of a pertaining to vinegar; producing vinegar; producing vinegar; as, acetic fermentation.
Acetic (a.) Pertaining to, containing, or derived from, acetyl, as acetic ether, acetic acid. The latter is the acid to which the sour taste of vinegar is due.
Acetification (n.) The act of making acetous or sour; the process of converting, or of becoming converted, into vinegar.
Acetifier (n.) An apparatus for hastening acetification.
Acetified (imp. & p. p.) of Acetify
Acetifying (p. pr. & vb. n.) of Acetify
Acetify (v. t.) To convert into acid or vinegar.
Acetify (v. i.) To turn acid.
Acetimeter (n.) An instrument for estimating the amount of acetic acid in vinegar or in any liquid containing acetic acid.
Acetimetry (n.) The act or method of ascertaining the strength of vinegar, or the proportion of acetic acid contained in it.
Acetin (n.) A combination of acetic acid with glycerin.
Acetize (v. i.) To acetify.
Acetometer (n.) Same as Acetimeter.
Acetone (n.) A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, -- obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.
Acetonic (a.) Of or pertaining to acetone; as, acetonic bodies.
Acetose (a.) Sour like vinegar; acetous.
Acetosity (n.) The quality of being acetous; sourness.
Acetous (a.) Having a sour taste; sour; acid.
Acetous (a.) Causing, or connected with, acetification; as, acetous fermentation.
Acetyl (n.) A complex, hypothetical radical, composed of two parts of carbon to three of hydrogen and one of oxygen. Its hydroxide is acetic acid.
Acetylene (n.) A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant.
Ach (n.) Alt. of Ache
Ache (n.) A name given to several species of plants; as, smallage, wild celery, parsley.
Achaean (a.) Alt. of Achaian
Achaian (a.) Of or pertaining to Achaia in Greece; also, Grecian.
Achaian (n.) A native of Achaia; a Greek.
Acharnement (n.) Savage fierceness; ferocity.
Achate (n.) An agate.
Achate (n.) Purchase; bargaining.
Achate (n.) Provisions. Same as Cates.
Achatina (n.) A genus of land snails, often large, common in the warm parts of America and Africa.
Achatour (n.) Purveyor; acater.
Ache (v. i.) Continued pain, as distinguished from sudden twinges, or spasmodic pain. "Such an ache in my bones."
Ached (imp. & p. p.) of Ache
Aching (p. pr. & vb. n.) of Ache
Ache (v. i.) To suffer pain; to have, or be in, pain, or in continued pain; to be distressed.
Achean (a & n.) See Achaean, Achaian.
Achene (n.) Alt. of Achenium
Achenium (n.) A small, dry, indehiscent fruit, containing a single seed, as in the buttercup; -- called a naked seed by the earlier botanists.
Achenial (a.) Pertaining to an achene.
Acheron (n.) A river in the Nether World or infernal regions; also, the infernal regions themselves. By some of the English poets it was supposed to be a flaming lake or gulf.
Acherontic (a.) Of or pertaining to Acheron; infernal; hence, dismal, gloomy; moribund.
Achievable (a.) Capable of being achieved.
Achievance (n.) Achievement.
Achieved (imp. & p. p.) of Achieve
Achieving (p. pr. & vb. n.) of Achieve
Achieve (v. t.) To carry on to a final close; to bring out into a perfected state; to accomplish; to perform; -- as, to achieve a feat, an exploit, an enterprise.
Achieve (v. t.) To obtain, or gain, as the result of exertion; to succeed in gaining; to win.
Achieve (v. t.) To finish; to kill.
Achievement (n.) The act of achieving or performing; an obtaining by exertion; successful performance; accomplishment; as, the achievement of his object.
Achievement (n.) A great or heroic deed; something accomplished by valor, boldness, or praiseworthy exertion; a feat.
Achievement (n.) An escutcheon or ensign armorial; now generally applied to the funeral shield commonly called hatchment.
Achiever (n.) One who achieves; a winner.
Achillean (a.) Resembling Achilles, the hero of the Iliad; invincible.
Achilles' tendon (n.) The strong tendon formed of the united tendons of the large muscles in the calf of the leg, an inserted into the bone of the heel; -- so called from the mythological account of Achilles being held by the heel when dipped in the River Styx.
Achilous (a.) Without a lip.
Aching (a.) That aches; continuously painful. See Ache.
Achiote (n.) Seeds of the annotto tree; also, the coloring matter, annotto.
Achlamydate (a.) Not possessing a mantle; -- said of certain gastropods.
Achlamydeous (a.) Naked; having no floral envelope, neither calyx nor corolla.
Acholia (n.) Deficiency or want of bile.
Acholous (a.) Lacking bile.
Achromatic (a.) Free from color; transmitting light without decomposing it into its primary colors.
Achromatic (a.) Uncolored; not absorbing color from a fluid; -- said of tissue.
Achromatically (adv.) In an achromatic manner.
Achromaticity (n.) Achromatism.
Achromatin (n.) Tissue which is not stained by fluid dyes.
Achromatism (n.) The state or quality of being achromatic; as, the achromatism of a lens; achromaticity.
Achromatization (n.) The act or process of achromatizing.