Defn: A contr. of Over. [Poetic]

OERSTED
Oer"sted, n. [After Hans Christian Oersted, Danish physicist.]
(Elec.)

Defn: The C.G.S. unit of magnetic reluctance or resistance, equal to the reluctance of a centimeter cube of air (or vacuum) between parallel faces. Also, a reluctance in which unit magnetomotive force sets up unit flux.

OESOPHAGUS; OESOPHAGEAL
OE*soph"a*gus, n., OE`so*phag"e*al, a., etc.

Defn: Same as Esophagus, Esophageal, etc.

OESTRIAN
OEs"tri*an, a. (Zoöl.)

Defn: Of or pertaining to the gadflies.
— n.

Defn: A gadfly.

OESTRUAL
OEs"tru*al, a. Etym: [See OEstrus.] (Physiol.)

Defn: Of or pertaining to sexual desire; — mostly applied to brute animals; as, the oestrual period; oestrual influence.