ETHIOPS
E"thi*ops n. Etym: [NL. See Ethiop.] (Old Chem.)

Defn: A black substance; — formerly applied to various preparations of a black or very dark color. [Written also Æthiops.] [Obs.] Ethiops martial (Old Chem.), black oxide of iron. — Ethiops mineral (Old Chem.), black sulphide of mercury, obtained by triturating mercury with sulphur. — Ethiops per se (Old Chem.), mercury in finely divided state, having the appearance of a dark powder, obtained by shaking it up or by exposure to the air.

ETHMOID; ETHMOIDAL Eth"moid, Eth*moid"al, a. Etym: [Gr. ethmoïde, ethmoïdal.] (Anat.) (a) Like a sieve; cribriform. (b) Pertaining to, or in the region of, the ethmoid bone. Ethmoid bone (Anat.), a bone of complicated structure through which the olfactory nerves pass out of the cranium and over which they are largely distributed.

ETHMOID
Eth"moid n. (Anat.)

Defn: The ethmoid bone.

ETHMOTRUBINAL
Eth`mo*tru"bi*nal, a. Etym: [Ethmoid + turbinal.]

Defn: See Turbinal.
— n.

Defn: An ethmoturbinal bone.

ETHMOVOMERINE
Eth`mo*vo"mer*ine, n. Etym: [Ethmoid + vomerine.] (Anat.)

Defn: Pertaining to the region of the vomer and the base of the ethmoid in the skull. Ethmovomerine plate (Anat.), a cartilaginous plate beneath the front of the fetal brain which the ethmoid region of the skull is developed.