Ae, ā, or yā, modern Scotch form of A.S. án, one, used as an adjective.
Ædile, Edile, ē′dīl, n. a magistrate in ancient Rome who had the charge of public buildings, games, markets, police, &c.—n. Æ′dileship. [L. ædīlis, ædes, -is, a building.]
Ægis, ē′jis, n. (orig.) a shield given by Jupiter to Minerva: anything that protects. [L.—Gr. aígis.]
Æglogue, an archaic form of Eclogue.
Ægrotat, ē′grō-tät, n. in the English universities, a medical certificate of inability from illness to attend lectures or examinations.—n. Æger (ē′jėr), sick, the word used at Oxford and Cambridge in excusing absence on account of illness, hence a note certifying a student to be æger or sick. [L., 'he is sick,' 3d pers. sing. pres. indic. of ægrotāre, to be sick; æger, sick.]
Æneid, ē′nē-id, n. an epic poem written by Virgil, the hero of which is Æneas. [L. Æneis, -idos.]
Æolian, ē-ō′li-an, adj. pertaining to or acted on by the wind: aerial: of Æolis or Æolia, a district of Asia Minor colonised by the Greeks.—Also Æ′ōlic. [Æolus, the god of the winds.]
Æolipile, ē-ol′i-pīl, n. an instrument consisting of a hollow ball of metal partly filled with water, and having a small orifice through which steam escapes on the application of heat, thus turning the ball. It is the first instrument on record for showing the power of steam. [From L. Æolus, and pila, ball.]
Æon, Eon, ē′on, n. a period of time, an age or one of a series of ages, eternity: the personification of an age, a power emanating from the supreme Deity, with its share in the creation and government of the universe.—adj. Æō′nian, eternal. [Gr. aiōn.]
Aerate, ā′ėr-āt, v.t. to put air into: to supply, or cause to mix, with carbonic acid or other gas, as Aerated waters.—ns. A′erator, an apparatus for such purpose; Aerā′tion, exposure to the action of air: the mixing or saturating with a gas: the oxygenation of the blood by respiration. [L. aër, air.]