Part 422

A*ther"man*cy (*thr"mn*s), n. [See Athermanous.] Inability to transmit radiant heat; impermeability to heat. Tyndall.

A*ther"ma*nous (&?;), a. [Gr. 'a priv. + qermai`nein to heat, qe`rma heat: cf. F. athermane.] (Chem.) Not transmitting heat; -- opposed to diathermanous.

A*ther"mous (&?;), a. (Chem.) Athermanous.

Ath"er*oid (&?;), a. [Gr. &?;, &?;, a beard, or an ear, of grain + -oid.] Shaped like an ear of grain.

||Ath`e*ro"ma (&?;), n. [L., fr. Gr. &?;, &?;, fr. &?; gr&?;ats, meal.] (Med.) (a) An encysted tumor containing curdy matter. (b) A disease characterized by thickening and fatty degeneration of the inner coat of the arteries.

Ath`e*rom"a*tous (&?;), a. (Med.) Of, pertaining to, or having the nature of, atheroma. Wiseman.

||Ath`e*to"sis (&?;), n. [NL., fr. Gr. &?; not fixed; 'a priv. + &?; to set.] (Med.) A variety of chorea, marked by peculiar tremors of the fingers and toes.

A*think" (&?;), v. t. To repent; to displease; to disgust. [Obs.] Chaucer.

A*thirst" (&?;), a. [OE. ofthurst, AS. ofpyrsted, p. p. of ofpyrstan; pref. of-, intensive + pyrstan to thirst. See Thirst.] 1. Wanting drink; thirsty.

2. Having a keen appetite or desire; eager; longing. "Athirst for battle." Cowper.

Ath"lete (&?;), n. [L. athleta, Gr. &?; prizefighter, fr. &?; to contend for a prize, &?;, Hom. &?;, contest, &?; prize; fr. the same root as E. wed: cf. F. athlète.] 1. (Antiq.) One who contended for a prize in the public games of ancient Greece or Rome.

2. Any one trained to contend in exercises requiring great physical agility and strength; one who has great activity and strength; a champion.

3. One fitted for, or skilled in, intellectual contests; as, athletes of debate.

Ath`let"ic (&?;), a. [L. athleticus, Gr. &?;. See Athlete.] 1. Of or pertaining to athletes or to the exercises practiced by them; as, athletic games or sports.

2. Befitting an athlete; strong; muscular; robust; vigorous; as, athletic Celts. "Athletic soundness." South. -- Ath*let"ic*al*ly (&?;), adv.

Ath*let"i*cism (&?;), n. The practice of engaging in athletic games; athletism.

Ath*let"ics (&?;), n. The art of training by athletic exercises; the games and sports of athletes.

Ath"le*tism (&?;), n. The state or practice of an athlete; the characteristics of an athlete.

A*thwart" (&?;), prep. [Pref. a- + thwart.] 1. Across; from side to side of.

Athwart the thicket lone. Tennyson.

2. (Naut.) Across the direction or course of; as, a fleet standing athwart our course.

Athwart hawse, across the stem of another vessel, whether in contact or at a small distance. -- Athwart ships, across the ship from side to side, or in that direction; -- opposed to fore and aft.

A*thwart", adv. 1. Across, especially in an oblique direction; sidewise; obliquely.

Sometimes athwart, sometimes he strook him straight. Spenser.

2. Across the course; so as to thwart; perversely.

All athwart there came A post from Wales loaden with heavy news. Shak.

A*tilt" (&?;), adv. [Pref. a- + tilt.] 1. In the manner of a tilter; in the position, or with the action, of one making a thrust. "To run atilt at men." Hudibras.

2. In the position of a cask tilted, or with one end raised. [In this sense sometimes used as an adjective.]