‖n.; pl. Abaculi [ L., dim. of abacus. ] (Arch.) A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements. Fairholt. [ 1913 Webster ]

n. [ L. ab + E. articulation : cf. F. abarticulation. See Article. ] (Anat.) Articulation, usually that kind of articulation which admits of free motion in the joint; diarthrosis. Coxe. [ 1913 Webster ]

v. i. To take one's self off; to decamp. [ A jocular word. U. S. ] [ 1913 Webster ]

n. An abnormally intense inability to make decisions; severe irresolution.
Syn. -- indecision, indecisiveness, irresolution [ WordNet 1.5 ]

adj. showing abnormal inability to act or make decisions
Syn. -- aboulic [ WordNet 1.5 ]

a. Full of abuse; abusive. [ R. ] “Abuseful names.” Bp. Barlow. [ 1913 Webster ]

a. [ Pref. a- not + capsular. ] (Bot.) Having no capsule. [ 1913 Webster ]

a. [ Pref. a- not + caulescent. ] (Bot.) Having no stem or caulis, or only a very short one concealed in the ground. Gray. [ 1913 Webster ]

a. [ Pref. a- not + cauline. ] (Bot.) Same as Acaulescent. [ 1913 Webster ]

{ } a. [ Gr. &unr_;; 'a priv. + &unr_; stalk or L. caulis stalk. See Cole. ] (Bot.) Same as Acaulescent. [ 1913 Webster ]

adj. 1. of or pertaining to acculturation (definition 3).
Syn. -- acculturational [ WordNet 1.5 ]

v. t. [ imp. & p. p. Accumulated p. pr. & vb. n. Accumulating. ] [ L. accumulatus, p. p. of accumulare; ad + cumulare to heap. See Cumulate. ] To heap up in a mass; to pile up; to collect or bring together; to amass; as, to accumulate a sum of money. [ 1913 Webster ]

Syn. -- To collect; pile up; store; amass; gather; aggregate; heap together; hoard. [ 1913 Webster ]

v. i. To grow or increase in quantity or number; to increase greatly. [ 1913 Webster ]

Ill fares the land, to hastening ills a prey,
Where wealth accumulates, and men decay. Goldsmith. [ 1913 Webster ]

a. [ L. accumulatus, p. p. of accumulare. ] Collected; accumulated. Bacon. [ 1913 Webster ]

adj. 1. 1 brought together into a group or crowd the accumulated letters in my office
Syn. -- assembled, collected, congregate, massed [ WordNet 1.5 ]

n. [ L. accumulatio; cf. F. accumulation. ] 1. The act of accumulating, the state of being accumulated, or that which is accumulated; as, an accumulation of earth, of sand, of evils, of wealth, of honors. [ 1913 Webster ]

2. (Law) The concurrence of several titles to the same proof. [ 1913 Webster ]

Accumulation of energy or
power, the storing of energy by means of weights lifted or masses put in motion; electricity stored. --
An accumulation of degrees (Eng. Univ.), the taking of several together, or at smaller intervals than usual or than is allowed by the rules. [ 1913 Webster ]

a. Characterized by accumulation; serving to collect or amass; cumulative; additional. -- Ac*cu"mu*la*tive*ly, adv. -- Ac*cu"mu*la*tive*ness, n. [ 1913 Webster ]

n. [ L. ] 1. One who, or that which, accumulates, collects, or amasses. [ 1913 Webster ]

2. (Mech.) An apparatus by means of which energy or power can be stored, such as the cylinder or tank for storing water for hydraulic elevators, the secondary or storage battery used for accumulating the energy of electrical charges, etc. [ 1913 Webster ]

3. A system of elastic springs for relieving the strain upon a rope, as in deep-sea dredging. [ 1913 Webster ]

adj. 1. 1 not containing cells cellular
Syn. -- cell-free [ WordNet 1.5 ]

2. not made up of or divided into cells cellular
Syn. -- noncellular [ WordNet 1.5 ]

3. occurring outside of cells or without the participation of cells. Opposite of cellular. [ PJC ]

a. Resembling little heaps. [ 1913 Webster ]

a. Cup-shaped; saucer-shaped; acetabuliform. [ 1913 Webster ]

‖n. pl. [ NL. See Acetabuliferous. ] (Zool.) The division of Cephalopoda in which the arms are furnished with cup-shaped suckers, as the cuttlefishes, squids, and octopus; the Dibranchiata. See Cephalopoda. [ 1913 Webster ]

a. [ L. acetablum a little cup + -ferous. ] Furnished with fleshy cups for adhering to bodies, as cuttlefish, etc. [ 1913 Webster ]

a. [ L. acetabulum + -form. ] (Bot.) Shaped like a shallow cup; saucer-shaped; as, an acetabuliform calyx. Gray. [ 1913 Webster ]

‖n. [ L., a little saucer for vinegar, fr. acetum vinegar, fr. acere to be sour. ] [ 1913 Webster ]

1. (Rom. Antiq.) A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc. [ 1913 Webster ]

2. (Anat.) (a) The bony cup which receives the head of the thigh bone. (b) The cavity in which the leg of an insect is inserted at its articulation with the body. (c) A sucker of the sepia or cuttlefish and related animals. (d) The large posterior sucker of the leeches. (e) One of the lobes of the placenta in ruminating animals. [ 1913 Webster ]

‖n.; pl. Aciculæ [ L., a small needle, dimin. of acus needle. ] (Nat. Hist.) One of the needlelike or bristlelike spines or prickles of some animals and plants; also, a needlelike crystal. [ 1913 Webster ]

a. Needle-shaped; slender like a needle or bristle, as some leaves or crystals; also, having sharp points like needles. [ 1913 Webster ]

A*cic"u*lar*ly, adv.. [1913 Webster]

{ a. (Nat. Hist.) (a) Furnished with aciculæ. (b) Acicular. (c) Marked with fine irregular streaks as if scratched by a needle. Lindley. [ 1913 Webster ]

a. [ L. acicula needle + -form. ] Needle-shaped; acicular. [ 1913 Webster ]

n. (Min.) Needle ore. Brande & C. [ 1913 Webster ]

v. t. [ imp. & p. p. Acidulated p. pr. & vb. n. Acidulating ] [ Cf. F. aciduler. See Acidulous. ] To make sour or acid in a moderate degree; to sour somewhat. Arbuthnot. [ 1913 Webster ]

adj. 1. made slightly acidic [ WordNet 1.5 ]

a. Having an acid quality; sour; acidulous. “With anxious, acidulent face.” Carlyle. [ 1913 Webster ]

a. [ L. acidulus, dim. of acidus. See Acid. ] Slightly sour; sub-acid; sourish; as, an acidulous tincture. E. Burke. [ 1913 Webster ]

Acidulous mineral waters, such as contain carbonic anhydride. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_;, &unr_;, a ray. ] (Zool.) A kind of embryo of certain hydroids (Tubularia), having a stellate form. [ 1913 Webster ]

n. [ L. aculeus, dim. of acus needle. ] A small spiny outgrowth on the wings of certain insects. [ WordNet 1.5 ]

a. [ L. aculeatus, fr. aculeus, dim. of acus needle. ] 1. (Zool.) Having a sting; covered with prickles; sharp like a prickle. [ 1913 Webster ]

2. (Bot.) Having prickles, or sharp points; beset with prickles. [ 1913 Webster ]

3. Severe or stinging; incisive. [ R. ] Bacon. [ 1913 Webster ]

a. Having a sharp point; armed with prickles; prickly; aculeate. [ 1913 Webster ]

a. Like a prickle. [ 1913 Webster ]

a. [ L. aculeolus little needle. ] (Bot.) Having small prickles or sharp points. Gray. [ 1913 Webster ]

a. Aculeate. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

‖n.; pl. Aculei [ L., dim. of acus needle. ] 1. (Bot.) A prickle growing on the bark, as in some brambles and roses. Lindley. [ 1913 Webster ]

2. (Zool.) A sting. [ 1913 Webster ]

a. Acute-angled. [ 1913 Webster ]

a. [ L. ad + E. ambulacral. ] (Zool.) Next to the ambulacra; as, the adambulacral ossicles of the starfish. [ 1913 Webster ]

v. t. [ Like F. adoucir; fr. L. ad. + dulcis sweet. ] To sweeten; to soothe. [ Obs. ] Bacon. [ 1913 Webster ]

[ So named after Aden, a seaport in Southern Arabia, where it occurs. ] (Med.) One of the numerous names of the lesion of Old World cutaneous leishmaniasis. Called also Aleppo boil, Aleppo button, Aleppo evil, Bagdad boil, Biskra boil, Cochin China ulcer, Delhi boil, Jerico boil, Oriental boil, Oriental sore, Persian ulcer, tropical ulcer, etc. [ Webster 1913 Suppl. + AS ]

a. Supplying help; auxiliary; corroborative; explanatory; as, adminicular evidence. H. Spencer. [ 1913 Webster ]

a. Adminicular. [ 1913 Webster ]

n. [ L. adosculari, adosculatum, to kiss. See Osculate. ] (Biol.) Impregnation by external contact, without intromission. [ 1913 Webster ]

‖n. [ From Adula, a mountain peak in Switzerland, where fine specimens are found. ] (Min.) A transparent or translucent variety of common feldspar, or orthoclase, which often shows pearly opalescent reflections; -- called by lapidaries moonstone. [ 1913 Webster ]