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a. [ OF. acoint. See Acquaint, v. t. ] Acquainted. [ Obs. ] [ 1913 Webster ]

v. t. [ imp. & p. p. Acquainted; p. pr. & vb. n. Acquainting. ] [ OE. aqueinten, acointen, OF. acointier, LL. adcognitare, fr. L. ad + cognitus, p. p. of cognoscere to know; con- + noscere to know. See Quaint, Know. ] 1. To furnish or give experimental knowledge of; to make (one) to know; to make familiar; -- followed by with. [ 1913 Webster ]

Before a man can speak on any subject, it is necessary to be acquainted with it. Locke. [ 1913 Webster ]

A man of sorrows and acquainted with grief. Isa. liii. 3. [ 1913 Webster ]

2. To communicate notice to; to inform; to make cognizant; -- followed by with (formerly, also, by of), or by that, introducing the intelligence; as, to acquaint a friend with the particulars of an act. [ 1913 Webster ]

Acquaint her here of my son Paris' love. Shak. [ 1913 Webster ]

I must acquaint you that I have received
New dated letters from Northumberland. Shak. [ 1913 Webster ]

3. To familiarize; to accustom. [ Obs. ] Evelyn. [ 1913 Webster ]

To be acquainted with, to be possessed of personal knowledge of; to be cognizant of; to be more or less familiar with; to be on terms of social intercourse with. [ 1913 Webster ]

Syn. -- To inform; apprise; communicate; advise. [ 1913 Webster ]

a. [ Cf. OF. acointable ]. Easy to be acquainted with; affable. [ Obs. ] Rom. of R. [ 1913 Webster ]

n. [ OE. aqueintance, OF. acointance, fr. acointier. See Acquaint. ] 1. A state of being acquainted, or of having intimate, or more than slight or superficial, knowledge; personal knowledge gained by intercourse short of that of friendship or intimacy; as, I know the man; but have no acquaintance with him. [ 1913 Webster ]

Contract no friendship, or even acquaintance, with a guileful man. Sir W. Jones. [ 1913 Webster ]

2. A person or persons with whom one is acquainted. [ 1913 Webster ]

Montgomery was an old acquaintance of Ferguson. Macaulay. [ 1913 Webster ]

☞ In this sense the collective term acquaintance was formerly both singular and plural, but it is now commonly singular, and has the regular plural acquaintances. [ 1913 Webster ]

To be of acquaintance, to be intimate. --
To take acquaintance of or
with, to make the acquaintance of. [ Obs. ] [ 1913 Webster ]

Syn. -- Familiarity; intimacy; fellowship; knowledge. -- Acquaintance, Familiarity, Intimacy. These words mark different degrees of closeness in social intercourse. Acquaintance arises from occasional intercourse; as, our acquaintance has been a brief one. We can speak of a slight or an intimate acquaintance. Familiarity is the result of continued acquaintance. It springs from persons being frequently together, so as to wear off all restraint and reserve; as, the familiarity of old companions. Intimacy is the result of close connection, and the freest interchange of thought; as, the intimacy of established friendship. [ 1913 Webster ]

Our admiration of a famous man lessens upon our nearer acquaintance with him. Addison. [ 1913 Webster ]

We contract at last such a familiarity with them as makes it difficult and irksome for us to call off our minds. Atterbury. [ 1913 Webster ]

It is in our power to confine our friendships and intimacies to men of virtue. Rogers. [ 1913 Webster ]

n. A state of being acquainted; acquaintance. Southey. [ 1913 Webster ]

n. [ Cf. F. acointant, p. pr. ] An acquaintance. [ R. ] Swift. [ 1913 Webster ]

a. Personally known; familiar. See To be acquainted with, under Acquaint, v. t. [ 1913 Webster ]

n. State of being acquainted; degree of acquaintance. [ R. ] Boyle. [ 1913 Webster ]

n. [ See Adequate. ] The state or quality of being adequate, proportionate, or sufficient; a sufficiency for a particular purpose; as, the adequacy of supply to the expenditure. [ 1913 Webster ]

a. [ L. adaequatus, p. p. of adaequare to make equal to; ad + aequare to make equal, aequus equal. See Equal. ] Equal to some requirement; proportionate, or correspondent; fully sufficient; as, powers adequate to a great work; an adequate definition. [ 1913 Webster ]

Ireland had no adequate champion. De Quincey. [ 1913 Webster ]

Syn. -- Proportionate; commensurate; sufficient; suitable; competent; capable. [ 1913 Webster ]

v. t. [ See Adequate, a. ] 1. To equalize; to make adequate. [ R. ] Fotherby. [ 1913 Webster ]

2. To equal. [ Obs. ] [ 1913 Webster ]

It [ is ] an impossibility for any creature to adequate God in his eternity. Shelford. [ 1913 Webster ]

adv. In an adequate manner. [ 1913 Webster ]

n. The quality of being adequate; suitableness; sufficiency; adequacy. [ 1913 Webster ]

n. [ L. adaequatio. ] The act of equalizing; act or result of making adequate; an equivalent. [ Obs. ] Bp. Barlow. [ 1913 Webster ]

a. [ L. aliquantus some, moderate; alius other + quantus how great: cf. F. aliquante. ] (Math.) An aliquant part of a number or quantity is one which does not divide it without leaving a remainder; thus, 5 is an aliquant part of 16. Opposed to aliquot. [ 1913 Webster ]

a. [ See Antiquary ]. Pertaining to antiquaries, or to antiquity; as, antiquarian literature. [ 1913 Webster ]

n. 1. An antiquary. [ 1913 Webster ]

2. A drawing paper of large size. See under Paper, n. [ 1913 Webster ]

n. Character of an antiquary; study or love of antiquities. Warburton. [ 1913 Webster ]

v. i. To act the part of an antiquary. [ Colloq. ] [ 1913 Webster ]

a. [ L. antiquarius, fr. antiquus ancient. See Antique. ] Pertaining to antiquity. [ R. ] “Instructed by the antiquary times.” Shak. [ 1913 Webster ]

n.; pl. Antiquaries One devoted to the study of ancient times through their relics, as inscriptions, monuments, remains of ancient habitations, statues, coins, manuscripts, etc.; one who searches for and studies the relics of antiquity. [ 1913 Webster ]

v. t. [ L. antiquatus, p. p. of antiquare, fr. antiquus ancient. ] To make old, or obsolete; to make antique; to make old in such a degree as to put out of use; hence, to make void, or abrogate. [ 1913 Webster ]

Christianity might reasonably introduce new laws, and antiquate or abrogate old one. Sir M. Hale. [ 1913 Webster ]

a. Grown old. Hence: Bygone; obsolete; out of use; old-fashioned; as, an antiquated law. “Antiquated words.” Dryden. [ 1913 Webster ]

Old Janet, for so he understood his antiquated attendant was denominated. Sir W. Scott. [ 1913 Webster ]

Syn. -- Ancient; old; antique; obsolete. See Ancient. [ 1913 Webster ]

n. Quality of being antiquated. [ 1913 Webster ]

n. Antiquatedness. [ Obs. ] [ 1913 Webster ]

n. [ L. antiquatio, fr. antiquare. ] The act of making antiquated, or the state of being antiquated. Beaumont. [ 1913 Webster ]

v. i. [ L. appropinquatus, p. p. of appropinquare; ad + prope near. ] To approach. [ Archaic ] Ld. Lytton. [ 1913 Webster ]

n. [ L. appropinquatio. ] A drawing nigh; approach. [ R. ] Bp. Hall. [ 1913 Webster ]

‖n. [ L. See Ewer. ] Water; -- a word much used in pharmacy and the old chemistry, in various signification, determined by the word or words annexed. [ 1913 Webster ]

Aqua ammoniæ, the aqueous solution of ammonia; liquid ammonia; often called aqua ammonia. --
Aqua marine or
Aqua marina Same as Aquamarine. --
Aqua regia [ L., royal water ] (Chem.), a very corrosive fuming yellow liquid consisting of nitric and hydrochloric acids. It has the power of dissolving gold, the “royal” metal. --
Aqua Tofana a fluid containing arsenic, and used for secret poisoning, made by an Italian woman named Tofana, in the middle of the 17th century, who is said to have poisoned more than 600 persons. Francis. --
Aqua vitæ ety>[ L., water of life. Cf. Eau de vie, Usquebaugh ], a name given to brandy and some other ardent spirits. Shak. [ 1913 Webster ]

adj. 1. of or pertaining to aquiculture. aquacultural methods
Syn. -- aquicultural, hydroponic [ WordNet 1.5 ]

adj. 1. the cultivation of aquatic animals, such as fish or shellfish, or of plants, such as seaweed, in a controlled and sometimes enclosed body of water. The term includes use of either salt or fresh water. It is a form of agriculture, but under water. [ PJC ]

‖ [ L., strong water. ] (Chem.) Nitric acid. [ Archaic ] [ 1913 Webster ]

n. an apparatus containing compressed air or other oxygen-gas mixture, permitting a person to breathe under water; -- also called a scuba.
Syn. -- scuba [ WordNet 1.5 +PJC ]

n. (Min.) A transparent, pale green variety of beryl, used as a gem. See Beryl. [ 1913 Webster ]

n. [ L. aqua water, + punctura puncture, pungere, punctum, to, prick. ] (Med.) The introduction of water subcutaneously for the relief of pain. [ 1913 Webster ]

‖n. [ F., fr. Ital acquerello, fr. acqua water, L. aqua. ] A design or painting in thin transparent water colors; also, the mode of painting in such colors. [ 1913 Webster ]

n. A painter in thin transparent water colors. [ 1913 Webster ]

{ } a. Of or pertaining to an aquarium. [ 1913 Webster ]

n. [ L. (assumed) Aquarianus, fr. aqua: cf. F. Aquarien. See Aqua. ] (Eccl. Hist.) One of a sect of Christian in the primitive church who used water instead of wine in the Lord's Supper. [ 1913 Webster ]

n.; pl. E. Aquariums L. Aquaria [ L. See Aquarius, Ewer. ] An artificial pond, or a globe or tank (usually with glass sides), in which living specimens of aquatic animals or plants are kept. [ 1913 Webster ]

‖n. [ L. aquarius, adj., relating to water, and n., a water-carrier, fr. aqua. See Aqua. ] (Astron.) (a) The Water-bearer; the eleventh sign in the zodiac, which the sun enters about the 20th of January; -- so called from the rains which prevail at that season in Italy and the East. (b) A constellation south of Pegasus. [ 1913 Webster ]

a. [ L. aquaticus: cf. F. aquatique. See Aqua. ] Pertaining to water; growing in water; living in, swimming in, or frequenting the margins of waters; as, aquatic plants and fowls. [ 1913 Webster ]

n. 1. An aquatic animal or plant. [ 1913 Webster ]

2. pl. Sports or exercises practiced in or on the water. [ 1913 Webster ]

a. Aquatic. [ R. ] [ 1913 Webster ]

a. [ L. aquatilis: cf. F. aquatile. ] Inhabiting the water. [ R. ] Sir T. Browne. [ 1913 Webster ]

v. 1. to etch in aquatint. [ WordNet 1.5 ]

{ } n. [ It. acquatinta dyed water; acqua (L. aqua) water + tinto, fem. tinta, dyed. See Tint. ] A kind of etching in which spaces are bitten by the use of aqua fortis, by which an effect is produced resembling a drawing in water colors or India ink; also, the engraving produced by this method. [ 1913 Webster ]

n. 1. 1 a Scandinavian liquor usually flavored with caroway seeds; -- also called akvavit.
Syn. -- akvavit. [ WordNet 1.5 ]