3. An instrument for measuring angles.

Sem"i*cir`cled (?), a. Semicircular. Shak.

Sem`i*cir"cu*lar (?), a. Having the form of half of a circle. Addison.

Semicircular canals (Anat.), certain canals of the inner ear. See under

Ear.

Sem`i cir*cum"fer*ence (?), n. Half of a circumference.

Sem"i*cirque (?), n. A semicircular hollow or opening among trees or

hills. Wordsworth.

Sem"i*co`lon (?), n. The punctuation mark [;] indicating a separation

between parts or members of a sentence more distinct than that marked

by a comma.

Sem"i*col`umn (?), n. A half column; a column bisected longitudinally,

or along its axis.

Sem`i*co*lum"nar (?), a. Like a semicolumn; flat on one side and round

on the other; imperfectly columnar.

Sem`i*com*pact" (?), a. Half compact; imperfectly indurated.

Sem`i*con"scious (?), a. Half conscious; imperfectly conscious. De

Quincey.

Sem"i*cope` (?), n. A short cope, or an inferier kind of cope. [Obs.]

Chaucer.

Sem`i crus*ta"ceous (?), a. Half crustaceous; partially crustaceous.

Sem`i*crys"tal*line (?), a. (Min.) Half crystalline; -- said of certain

cruptive rocks composed partly of crystalline, partly of amorphous

matter.

Sem`i*cu"bic*al (?), a. (Math.) Of or pertaining to the square root of

the cube of a quantity.

Semicubical parabola, a curve in which the ordinates are proportional

to the square roots of the cubes of the abscissas.

{ Sem`i*cu"bi*um (?), Sem`i*cu"pi*um (?), } n. [LL., fr. L. semi half +

cupa tub, cask.] A half bath, or one that covers only the lewer

extremities and the hips; a sitz-bath; a half bath, or hip bath.

{ Sem`i*cy*lin"dric (?), Sem`i*cy*lyn"dric*al (?) } a. Half

cylindrical.

Sem`i*de*is"tic*al (?), a. Half deisticsl; bordering on deism. S.

Miller.

Sem`i*dem"i*qua`ver (?), n. (Mus.) A demisemiquaver; a thirty-second

note.

Sem`i*de*tached" (?), a. Half detached; partly distinct or separate.

Semidetached house, one of two tenements under a single roof, but

separated by a party wall. [Eng.]

Sem`i*di*am"e*ter (?), n. (Math.) Half of a diameter; a right line, or

the length of a right line, drawn from the center of a circle, a

sphere, or other curved figure, to its circumference or periphery; a

radius.

Sem`i*di`a*pa"son (?), n. (Mus.) An imperfect octave.

Sem`i*di`a*pen"te (?), n. (Mus.) An imperfect or diminished fifth.

Busby.

Sem`i*di`a*pha*ne"i*ty (?), n. Half or imperfect transparency;

translucency. [R.] Boyle.

Sem`i*di*aph"a*nous (?), a. Half or imperfectly transparent;

translucent. Woodward.

Sem`i*di`a*tes"sa*ron (?), n. (Mus.) An imperfect or diminished fourth.

[R.]

Sem`i*di"tone` (?), n. [Pref. semi- + ditone: cf. It. semiditono. Cf.

Hemiditone.] (Gr. Mus.) A lesser third, having its terms as 6 to 5; a

hemiditone. [R.]

Sem`i*di*ur"nal (?), a. 1. Pertaining to, or accomplished in, half a

day, or twelve hours; occurring twice every day.

2. Pertaining to, or traversed in, six hours, or in half the time

between the rising and setting of a heavenly body; as, a semidiurnal

arc.

Sem"i*dome` (?), n. (Arch.) A roof or ceiling covering a semicircular

room or recess, or one of nearly that shape, as the apse of a church, a

niche, or the like. It is approximately the quarter of a hollow sphere.

Sem"i*dou`ble (?), n. (Eccl.) An office or feast celebrated with less

solemnity than the double ones. See Double, n., 8.

Sem`i*dou"ble, a. (Bot.) Having the outermost stamens converted into

petals, while the inner ones remain perfect; -- said of a flower.

Sem"i*fa`ble (?), n. That which is part fable and part truth; a mixture

of truth and fable. De Quincey.

Sem"i*flexed` (?), a. Half bent.

Sem"i*flo`ret (?), n. (Bot.) See Semifloscule.

Sem`i*flos"cu*lar (?), a. Semiflosculous.

Sem"i*flos`cule (?), n. (Bot.) A floscule, or florest, with its corolla

prolonged into a strap- shaped petal; -- called also semifloret.

Sem`i*flos"cu*lous (?), a. (Bot.) Having all the florets ligulate, as

in the dandelion.

Sem`i*flu"id (?), a. Imperfectly fluid. -- n. A semifluid substance.

Sem"i*form` (?), n. A half form; an imperfect form.

Sem"i*formed` (?), a. Half formed; imperfectly formed; as, semiformed

crystals.

Sem`i*glu"tin (?), n. (Physiol. Chem.) A peptonelike body, insoluble in

alcohol, formed by boiling collagen or gelatin for a long time in

water. Hemicollin, a like body, is also formed at the same time, and

differs from semiglutin by being partly soluble in alcohol.

Sem`i*his*tor"i*cal (?), a. Half or party historical. Sir G. C. Lewis.

Sem`i*ho"ral (?), a. Half- hourly.

Sem`i*in"du*ra`ted (?), a. Imperfectly indurated or hardened.

Sem`i*la*pid"i*fied (?), a. Imperfectly changed into stone. Kirwan.

Sem"i*lens` (?), n. (Opt.) The half of a lens divided along a plane

passing through its axis.

Sem`i*len*tic"u*lar (?), a. Half lenticular or convex; imperfectly

resembling a lens. Kirwan.

Sem`i*lig"ne*ous (?), a. Half or partially ligneous, as a stem partly

woody and partly herbaceous.

Sem`i*liq"uid (?), a. Half liquid; semifluid.

Sem`i*li*quid"i*ty (?), n. The quality or state of being semiliquid;

partial liquidity.

Sem`i*log"ic*al (?), a. Half logical; partly logical; said of

fallacies. Whately.

Sem"i*lor (?), n. [Cf. G. similor, semilor.] A yellowish alloy of

copper and zinc. See Simplor.

Sem`i*lu"nar (?), a. Shaped like a half moon.

Semilunar bone (Anat.), a bone of the carpus; the lunar. See Lunar, n.

-- Semilunar, or Sigmoid, valves (Anat.), the valves at the beginning

of the aorta and of the pulmonary artery which prevent the blood from

flowing back into the ventricle.

Sem`i*lu"nar, n. (Anat.) The semilunar bone.

Sem`i*lu"na*ry (?), a. Semilunar.

Sem`i*lu"nate (?), a. Semilunar.

Sem"i*lune` (?), n. (Geom.) The half of a lune.

Sem"i*met`al (?), n. (Chem.) An element possessing metallic properties

in an inferior degree and not malleable, as arsenic, antimony, bismuth,

molybdenum, uranium, etc. [Obs.]

Sem`i*me*tal"lic (?), a. (Chem.) Of or pertaining to a semimetal;

possessing metallic properties in an inferior degree; resembling metal.

Sem`i*month"ly (?) a. Coming or made twice in a month; as, semimonthly

magazine; a semimonthly payment. -- n. Something done or made every

half month; esp., a semimonthly periodical. -- adv. In a semimonthly

manner; at intervals of half a month.

Sem`i*mute" (?), a. Having the faculty of speech but imperfectly

developed or partially lost.

Sem"i*mute` (?), n. A semimute person.

Sem"i*nal (?), a. [L. seminalis, fr. semen, seminis, seed, akin to

serere to sow: cf. F. seminal. See Sow to scatter seed.] 1. Pertaining

to, containing, or consisting of, seed or semen; as, the seminal fluid.

2. Contained in seed; holding the relation of seed, source, or first

principle; holding the first place in a series of developed results or

consequents; germinal; radical; primary; original; as, seminal

principles of generation; seminal virtue.

The idea of God is, beyond all question or comparison, the one

great seminal principle.

Hare.

Seminal leaf (Bot.), a seed leaf, or cotyleden. -- Seminal receptacle.

(Zoöl.) Same as Spermatheca.

Sem"i*nal (?), n. A seed. [Obs.] Sir T. Browne.

Sem`i*nal"i*ty (?), n. The quality or state of being seminal. Sir T.

Browne.

{ Sem`i*na"ri*an (?), Sem"i*na*rist (?), } n. [Cf. F. séminariste.] A

member of, or one educated in, a seminary; specifically, an

ecclesiastic educated for the priesthood in a seminary.

Sem"i*na*ry (?), n.; pl. Seminaries (#). [L. seminarium, fr. seminarius

belonging to seed, fr. semon, seminis, seed. See Seminal.] 1. A piece

of ground where seed is sown for producing plants for transplantation;

a nursery; a seed plat. [Obs.] Mortimer.

But if you draw them [seedling] only for the thinning of your

seminary, prick them into some empty beds.

Evelyn.

2. Hence, the place or original stock whence anything is brought or

produced. [Obs.] Woodward.

3. A place of education, as a scool of a high grade, an academy,

college, or university.

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