Webster's Revised Unabridged Dictionary -- Volume ABApt`i·tu"di·nal (?), a. Suitable; fit. [Obs.] Apt"ly (?), adv. In an apt or suitable manner; fitly; properly; pertinently; appropriately; readily. Apt"ness, n. 1. Fitness; suitableness; appropriateness; as, the aptness of things to their end. The aptness of his quotations. 2. Disposition of the mind; propensity; as, the aptness of men to follow example. 3. Quickness of apprehension; readiness in learning; docility; as, an aptness to learn is more observable in some children than in others. 4. Proneness; tendency; as, the aptness of iron to rust. Ap"tote (ăp"tōt), n. [L. aptotum, Gr. ? indeclinable; α priv. + ? fallen, declined, ? to fall.] (Gram.) A noun which has no distinction of cases; an indeclinable noun. Ap·tot"ic (?), a. Pertaining to, or characterized by, aptotes; uninflected; as, aptotic languages. Ap"ty·chus (?), n. [NL., fr. Gr. α priv. + ?, ?, fold.] (Zoöl.) A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula. A"pus (?), n. [NL., fr. Gr. ?. See Apode, n.] (Zoöl.) A genus of fresh-water phyllopod crustaceans. See Phyllopod. Ap`y·ret"ic (?), a. [Pref. a? not + pyretic.] (Med.) Without fever; -- applied to days when there is an intermission of fever. Dunglison. Ap`y·rex"i·a (?), Ap`y·rex`y (?), n. [NL. apyrexia, fr. Gr. ?; α priv. + ? to be feverish, fr. ? fire: cf. F. apyrexie.] (Med.) The absence or intermission of fever. |