Aqueous extract, an extract obtained from a vegetable substance by steeping it in water.Aqueous humor(Anat.), one the humors of the eye; a limpid fluid, occupying the space between the crystalline lens and the cornea. (See Eye.)Aqueous rocks(Geol.), those which are deposited from water and lie in strata, as opposed to volcanic rocks, which are of igneous origin; — called also sedimentary rocks.

(A`que*ous*ness), n. Wateriness.

(A*qua"ri*um) n.; pl. E. Aquariums L. Aquaria [L. See Aquarius, Ewer.] An artificial pond, or a globe or tank in which living specimens of aquatic animals or plants are kept.

(||A*qua"ri*us) 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.

(A*quat"ic) 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.

(A*quat`ic), n.

1. An aquatic animal or plant.

2. pl. Sports or exercises practiced in or on the water.

(A*quat"ic*al) a. Aquatic. [R.]

(Aq"ua*tile) a. [L. aquatilis: cf. F. aquatile.] Inhabiting the water. [R.] Sir T. Browne.

(A"qua*tint A`qua*tin"ta) 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.

(Aq"ue*duct) n. [F. aqueduc, OF. aqueduct fr. L. aquaeductus; aquae, gen. of aqua water + ductus a leading, ducere to lead. See Aqua, Duke.]

1. A conductor, conduit, or artificial channel for conveying water, especially one for supplying large cities with water.

The term is also applied to a structure (similar to the ancient aqueducts), for conveying a canal over a river or hollow; more properly called an aqueduct bridge.

2. (Anat.) A canal or passage; as, the aqueduct of Sylvius, a channel connecting the third and fourth ventricles of the brain.

(A*que"i*ty) n. Wateriness. [Obs.]

(A"que*ous) a. [Cf. F. aqueux, L. aquosus, fr. aqua. See Aqua, Aquose.]

1. Partaking of the nature of water, or abounding with it; watery.

The aqueous vapor of the air.

2. Made from, or by means of, water.

An aqueous deposit.

  By PanEris using Melati.

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