Definify.com

Webster 1913 Edition


Etheostomoid

Eˊthe-os′to-moid

,
Adj.
[NL.
etheostoma
name of a genus +
-oid
.]
(Zoöl.)
Pertaining to, or like, the genus
Etheostoma
.
Noun.
Any fish of the genus
Etheostoma
and related genera, allied to the perches; – also called
darter
. The etheostomoids are small and often bright-colored fishes inhabiting the fresh waters of North America. About seventy species are known, including the rare
snail darter
(
Percina tanasi
), 3 inches long, found only in the Tennessee River and classified as a
threatened species
. See
Darter
.
2.
Supposed matter above the air; the air itself.
Complex ether
,
Mixed ether
(Chem.)
,
an ether in which the ether oxygen is attached to two radicals having different structures; as, ethyl methyl ether,
C2H5.O.CH3
.
Compound ether
(Chem.)
,
an ethereal salt or a salt of some hydrocarbon as the base; an ester.
Ether engine
(Mach.)
,
a condensing engine like a steam engine, but operated by the vapor of ether instead of by steam.

Definition 2022


etheostomoid

etheostomoid

English

Adjective

etheostomoid (comparative more etheostomoid, superlative most etheostomoid)

  1. (zoology) Resembling or relating to the genus Etheostoma of fishes allied to the perch.

Noun

etheostomoid (plural etheostomoids)

  1. (zoology) Any of the fish of Etheostoma and related genera.