Part 683

Blast"ed (&?;), a. 1. Blighted; withered.

Upon this blasted heath.

Shak.

2. Confounded; accursed; detestable.

Some of her own blasted gypsies. Sir W. Scott.

3. Rent open by an explosive.

The blasted quarry thunders, heard remote. Wordsworth.

||Blas*te"ma (&?;), n.; pl. Blastemata (&?;). [Gr. &?; bud, sprout.] (Biol.) The structureless, protoplasmic tissue of the embryo; the primitive basis of an organ yet unformed, from which it grows.

Blas*te"mal (&?;), a. (Biol.) Relating to the blastema; rudimentary.

Blas`te*mat"ic (&?;), a. (Biol.) Connected with, or proceeding from, the blastema; blastemal.

Blast"er (&?;), n. One who, or that which, blasts or destroys.

Blas"tide (&?;), n. [Gr. &?; sprout, fr. &?; to grow.] (Biol.) A small, clear space in the segments of the ovum, the precursor of the nucleus.

Blast"ing (&?;), n. 1. A blast; destruction by a blast, or by some pernicious cause.

I have smitten you with blasting and mildew. Amos iv. 9.

2. The act or process of one who, or that which, blasts; the business of one who blasts.

Blast"ment (&?;), n. A sudden stroke or injury produced by some destructive cause. [Obs.] Shak.

Blas`to*car"pous (&?;), a. [Gr. &?; sprout, germ + &?; fruit.] (Bot.) Germinating inside the pericarp, as the mangrove. Brande & C.

Blas"to*cœle (&?;), n. [Gr. blasto`s sprout + koi^los hollow.] (Biol.) The cavity of the blastosphere, or segmentation cavity.

Blas"to*cyst (&?;), n. [Gr. blasto`s sprout + E. cyst.] (Biol.) The germinal vesicle.

Blas"to*derm (&?;), n. [Gr. blasto`s sprout + E. derm.] (Biol.) The germinal membrane in an ovum, from which the embryo is developed.

{ Blas`to*der*mat"ic (&?;), Blas`to*der"mic (&?;), } a. Of or pertaining to the blastoderm.

Blas`to*gen"e*sis (&?;), n. [Gr. blasto`s sprout + E. genesis.] (Biol.) Multiplication or increase by gemmation or budding.

Blas"toid (&?;), n. (Zoöl.) One of the Blastoidea.

||Blas*toid"e*a (&?;), n. pl. [NL., fr. Gr. blasto`s sprout + -oid.] (Zoöl.) One of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their budlike form.

Blas"to*mere (&?;), n. [Gr. blasto`s sprout + -mere.] (Biol.) One of the segments first formed by the division of the ovum. Balfour.

{ Blas`toph"o*ral (&?;), Blas`to*phor"ic (&?;), } a. Relating to the blastophore.

Blas"to*phore (&?;), n. [Gr. blasto`s sprout + &?; to bear.] (Biol.) That portion of the spermatospore which is not converted into spermatoblasts, but carries them.

Blas"to*pore (&?;), n. [Gr. blasto`s sprout + E. pore.] (Biol.) The pore or opening leading into the cavity of invagination, or archenteron. [See Illust. of Invagination.] Balfour.