Defn: The state of being imperfect.

IMPERFORABLE
Im*per"fo*ra*ble, a. Etym: [See Imperforate.]

Defn: Incapable of being perforated, or bored through.

IMPERFORATA
Im*per"fo*ra"ta, n. pl. Etym: [NL. See Imperforate.] (Zoöl.)

Defn: A division of Foraminifera, including those in which the shell is not porous.

IMPERFORATE; IMPERFORATED Im*per"fo*rate, Im*per"fo*ra"ted, a. Etym: [L. pref. im- not + perforatus, p. p. of perforate to perforate. See Perforate.]

Defn: Not perforated; having no opening or aperture. Sir J. Banks.

IMPERFORATION
Im*per`fo*ra"tion, n. Etym: [Cf. F. imperforation.]

Defn: The state of being without perforation.

IMPERIAL
Im*pe"ri*al, a. Etym: [OE. emperial, OF. emperial, F. impérial, fr.
L. imperialis, fr. imperium command, sovereignty, empire. See
Empire.]