2. The limit of vision at sea, being a distance of about twenty miles.

Ke"no (?), n. [F. quine five winning numbers, fr. L. quini five each,

quinque five. See Five.] A gambling game, a variety of the game of

lotto, played with balls or knobs, numbered, and cards also numbered.

[U. S.]

Ken`o*gen"e*sis (?), n. [Gr. &?; new + E. genesis.] (Biol.) Modified

evolution, in which nonprimitive characters make their appearance in

consequence of a secondary adaptation of the embryo to the peculiar

conditions of its environment; -- distinguished from palingenesis.

[Written also cænogenesis.]

Ken`o*ge*net"ic (?), a. (Biol.) Of or pertaining to kenogenesis; as,

kenogenetic processes. -- Ken`o*ge*net"ic*al*ly (#), adv.

Ken"spec`kle (?), a. Having so marked an appearance as easily to be

recognized. [Scot.]

Kent" bu"gle (?). [Probably named after a Duke of Kent.] (Mus.) A

curved bugle, having six finger keys or stops, by means of which the

performer can play upon every key in the musical scale; -- called also

keyed bugle, and key bugle. Moore.

Ken"tle (?), n. [From Quintal.] (Com.) A hundred weight; a quintal.

Kent"ledge (?), n. [OF. cant edge, corner, D. kant. See Cant edge,

angle.] (Naut.) Pigs of iron used for ballast. [Written also

kintlidge.]

Ken*tuck"y (?), n. One of the United States.

Kentucky blue grass (Bot.), a valuable pasture and meadow grass (Poa

pratensis), found in both Europe and America. See under Blue grass. --

Kentucky coffee tree (Bot.), a tall North American tree (Gymnocladus

Canadensis) with bipinnate leaves. It produces large woody pods

containing a few seeds which have been used as a substitute for coffee.

The timber is very valuable.

Keph"a*lin (kf"*ln), n. [Gr. kefalh` the head.] (Physiol. Chem.) One of

a group of nitrogenous phosphorized principles, supposed by Thudichum

to exist in brain tissue.

Kept (?), imp. & p. p. of Keep.

Kept mistress, a concubine; a woman supported by a man as his paramour.

Ke*ram"ic (?), a. Same as Ceramic.

Ke*ram"ics (?), n. Same as Ceramics.

Ker`a*mo*graph"ic (?), a. [Gr. ke`ramos tile + graph + ic.] Suitable to

be written upon; capable of being written upon, as a slate; -- said

especially of a certain kind of globe. Scudamore.

Ke*ra"na (?), n. (Mus.) A kind of long trumpet, used among the

Persians. Moore (Encyc. of Music).

Ke*rar"gy*rite (?), n. See Cerargyrite.

Ker"a*sin (?), n. (Physiol. Chem.) A nitrogenous substance free from

phosphorus, supposed to be present in the brain; a body closely related

to cerebrin.

Ker"a*sine (?), a. [Gr. ke`ras horn.] Resembling horn; horny; corneous.

Ker"a*tin (?), n. [Gr. ke`ras, -atos, horn.] (Physiol. Chem.) A

nitrogenous substance, or mixture of substances, containing sulphur in

a loose state of combination, and forming the chemical basis of

epidermal tissues, such as horn, hair, feathers, and the like. It is an

insoluble substance, and, unlike elastin, is not dissolved even by

gastric or pancreatic juice. By decomposition with sulphuric acid it

yields leucin and tyrosin, as does albumin. Called also epidermose.

||Ker`a*ti"tis (?), n. [NL., fr. Gr. ke`ras, -atos, horn + -itis.]

||(Med.) Inflammation of the cornea.

||

Ker"a*tode (?), n. See Keratose.

Ker`a*tog"e*nous (?), a. [Gr. ke`ras, -atos, horn + -genous.] Producing

horn; as, the keratogenous membrane within the horny hoof of the horse.

||Ker`a*toi"de*a (?), n. pl. [NL., from Gr. ke`ras, -atos, horn +

||-oid.] (Zoöl.) Same as Keratosa.

||

Ker"a*tome (?), n. [Gr. ke`ras, horn + &?; to cut.] (Surg.) An

instrument for dividing the cornea in operations for cataract.

||Ker`a*to*nyx"is (?), n. [Gr. ke`ras, -atos, horn + &?; puncture.]

||(Med.) The operation of removing a cataract by thrusting a needle

||through the cornea of the eye, and breaking up the opaque mass.

||

Ker"a*to*phyte (?), n. [Gr. ke`ras, -atos, a horn + &?; a plant.]

(Zoöl.) A gorgonian coral having a horny axis.

||Ker`a*to"sa (?), n. pl. [NL., fr. Gr. ke`ras, -atos, a horn.] (Zoöl.)

||An order of sponges having a skeleton composed of hornlike fibers. It

||includes the commercial sponges.

||

Ker"a*tose` (?), n. [Gr. ke`ras, -atos, horn.] (Physiol. Chem.) A

tough, horny animal substance entering into the composition of the

skeleton of sponges, and other invertebrates; -- called also keratode.

Ker"a*tose`, a. (Zoöl.) Containing hornlike fibers or fibers of

keratose; belonging to the Keratosa.

Ke*rau"no*graph (?), n. [Gr. &?; thunderbolt + graph.] A figure or

picture impressed by lightning upon the human body or elsewhere. --

Ker`au*nog"ra*phy (#), n.

Kerb (?), n. See Curb.

Kerb"stone` (?), n. See Curbstone.

The Gutenberg Webster's Unabridged Dictionary: Section I, J, K, and L · 第 1408 / 2341 题