Defn: See Antiorgastic.

ANTOZONE
Ant*o"zone, n. Etym: [Pref. anti- + ozone.] (Chem.)

Defn: A compound formerly supposed to be modification of oxygen, but now known to be hydrogen dioxide; — so called because apparently antagonistic to ozone, converting it into ordinary oxygen.

ANTRAL
An"tral, a. (Anat.)

Defn: Relating to an antrum.

ANTRE
An"tre, n. Etym: [F. antre, L. antrum, fr. Gr.

Defn: A cavern. [Obs.] Shak.

ANTRORSE An*trorse", a. Etym: [From L. ante + versun turned; apparently formed in imitation of re.] (Bot.)

Defn: Forward or upward in direction. Gray.

ANTROVERT
An`tro*vert", v. t.