Add"a*ble (&?;), a. [Add, v. + - able.] Addible.
Ad"dax (&?;), n. [Native name.] (Zoöl.) One of the largest African antelopes (Hippotragus, or Oryx, nasomaculatus).
It is now believed to be the Strepsiceros (twisted horn) of the ancients. By some it is thought to be the pygarg of the Bible.
Ad*deem" (&?;), v. t. [Pref. a- + deem.] To award; to adjudge. [Obs.] "Unto him they did addeem the prise." Spenser.
||Ad*den"dum (&?;), n.; pl. Addenda (&?;). [L., fr. addere to add.] A thing to be added; an appendix or addition.
Addendum circle (Mech.), the circle which may be described around a circular spur wheel or gear wheel, touching the crests or tips of the teeth. Rankine.
Add"er (&?;), n. [See Add.] One who, or that which, adds; esp., a machine for adding numbers.
Ad"der, n. [OE. addere, naddere, eddre, AS. nædre, adder, snake; akin to OS. nadra, OHG. natra, natara, Ger. natter, Goth. nadrs, Icel. naðr, masc., naðra, fem.: cf. W. neidr, Gorn. naddyr, Ir. nathair, L. natrix, water snake. An adder is for a nadder.] 1. A serpent. [Obs.] "The eddre seide to the woman." Wyclif. Gen. iii. 4.)
2. (Zoöl.) (a) A small venomous serpent of the genus Vipera. The common European adder is the Vipera (or Pelias) berus. The puff adders of Africa are species of Clotho. (b) In America, the term is commonly applied to several harmless snakes, as the milk adder, puffing adder, etc. (c) Same as Sea Adder.
In the sculptures the appellation is given to several venomous serpents, -- sometimes to the horned viper (Cerastles).
Ad"der fly (&?;). A dragon fly.
Ad"der's-tongue` (&?;), n. (Bot.) (a) A genus of ferns (Ophioglossum), whose seeds are produced on a spike resembling a serpent's tongue. (b) The yellow dogtooth violet. Gray.
Ad"der*wort` (&?;), n. (Bot.) The common bistort or snakeweed (Polygonum bistorta).
Add`i*bil"i*ty (&?;), n. The quantity of being addible; capability of addition. Locke.
Add"i*ble (&?;), a. Capable of being added. "Addible numbers." Locke.
Ad"dice (&?;), n. See Adze. [Obs.] Moxon.