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adj. (Med.) of or pertaining to achondroplasia. [ WordNet 1.5 ]

‖n. [ Gr. &unr_; not manifest + &unr_; a star. ] (Bot.) A provisional name for a plant which has not had its flowers botanically examined, and therefore has not been referred to its proper genus. [ 1913 Webster ]

a. [ Gr. 'amfi` + blastiko`s tending to sprout. ] (Biol.) Segmenting unequally; -- said of telolecithal ova with complete segmentation. [ 1913 Webster ]

a. [ Amylum + -plastic. ] Starch-forming; amylogenic. [ Webster 1913 Suppl. ]

a. [ Gr. &unr_; to bend back and break; to reflect (light); &unr_; + &unr_; to break. ] 1. (Opt.) Produced by the refraction of light, as seen through water; as, anaclastic curves. [ 1913 Webster ]

2. Springing back, as the bottom of an anaclastic glass. [ 1913 Webster ]

Anaclastic glass, a glass or phial, shaped like an inverted funnel, and with a very thin convex bottom. By sucking out a little air, the bottom springs into a concave form with a smart crack; and by breathing or blowing gently into the orifice, the bottom, with a like noise, springs into its former convex form. [ 1913 Webster ]

n. (Opt.) That part of optics which treats of the refraction of light; -- commonly called dioptrics. Encyc. Brit. [ 1913 Webster ]

a. Of or pertaining to anaplasty. [ 1913 Webster ]

n. [ Gr. &unr_; again + &unr_; to form: cf. F. anaplastie. ] (Surg.) The art of operation of restoring lost parts or the normal shape by the use of healthy tissue. [ 1913 Webster ]

a. [ Pref. anti- = Gr. kla^n to break. ] Having opposite curvatures, that is, curved longitudinally in one direction and transversely in the opposite direction, as the surface of a saddle. [ 1913 Webster ]

a. [ Pref. anti- + Gr. &unr_;, &unr_;, milk. ] Causing a diminution or a suppression of the secretion of milk. [ 1913 Webster ]

a. 1. Diminishing plasticity. [ 1913 Webster ]

2. (Med.) Preventing or checking the process of healing, or granulation. [ 1913 Webster ]

a. [ Pref. a- not + plastic. ] Not plastic or easily molded. [ 1913 Webster ]

n. [ from aplasia{ 2 }. ] (Med.) an anemia characterized by substantial reduction or cessation of production of red blood cells and hemoglobin by the bone marrow. Stedman
Syn. -- Ehrlich's anemia; anemia gravis. [ PJC ]

n. A crossbow. See Arbalest. [ 1913 Webster ]

‖n. [ Pref. archi + blastula. ] (Biol.) A hollow blastula, supposed to be the primitive form; a cœloblastula. [ 1913 Webster ]

a. [ See Auto-; Clastic. ] (Geol.) Broken in place; -- said of rocks having a broken or brecciated structure due to crushing, in contrast to those of brecciated materials brought from a distance. [ Webster 1913 Suppl. ]

a. Of or pertaining to autoplasty. [ 1913 Webster ]

n. [ Auto- + -plasty. ] (Surg.) The process of artificially repairing lesions by taking a piece of healthy tissue, as from a neighboring part, to supply the deficiency caused by disease or wounds. [ 1913 Webster ]

n. [ D. ballast; akin to Dan. baglast, ballast, OSw. barlast, Sw. ballast. The first part is perh. the same word as E. bare, adj.; the second is last a burden, and hence the meaning a bare, or mere, load. See Bare, a., and Last load. ] 1. (Naut.) Any heavy substance, as stone, iron, etc., put into the hold to sink a vessel in the water to such a depth as to prevent capsizing. [ 1913 Webster ]

2. Any heavy matter put into the car of a balloon to give it steadiness. [ 1913 Webster ]

3. Gravel, broken stone, etc., laid in the bed of a railroad to make it firm and solid. [ 1913 Webster ]

4. The larger solids, as broken stone or gravel, used in making concrete. [ 1913 Webster ]

5. Fig.: That which gives, or helps to maintain, uprightness, steadiness, and security. [ 1913 Webster ]

It [ piety ] is the right ballast of prosperity. Barrow. [ 1913 Webster ]

Ballast engine, a steam engine used in excavating and for digging and raising stones and gravel for ballast. --
Ship in ballast, a ship carrying only ballast. [ 1913 Webster ]

v. t. [ imp. & p. p. Ballasted; p. pr. & vb. n. Ballasting. ] 1. To steady, as a vessel, by putting heavy substances in the hold. [ 1913 Webster ]

2. To fill in, as the bed of a railroad, with gravel, stone, etc., in order to make it firm and solid. [ 1913 Webster ]

3. To keep steady; to steady, morally. [ 1913 Webster ]

'T is charity must ballast the heart. Hammond. [ 1913 Webster ]

n. (Law) A toll paid for the privilege of taking up ballast in a port or harbor. [ 1913 Webster ]

n. That which is used for steadying anything; ballast. [ 1913 Webster ]

v. t. [ imp. & p. p. Beplastered p. pr. & vb. n. Beplastering. ] To plaster over; to cover or smear thickly; to bedaub. [ 1913 Webster ]

Beplastered with rouge. Goldsmith. [ 1913 Webster ]

n. [ Gr. bi`os life + -blast. ] (Biol.) Same as Bioplast. [ 1913 Webster ]

n. [ Gr. bi`os life + pla`ssein to form. ] (Biol.) A tiny mass of bioplasm, in itself a living unit and having formative power, as a living white blood corpuscle; bioblast. [ 1913 Webster ]

a. (Biol.) Bioplasmic. [ 1913 Webster ]

n. [ AS. bl&aemacr_;st a puff of wind, a blowing; akin to Icel. blāstr, OHG. blāst, and fr. a verb akin to Icel. blāsa to blow, OHG. blâsan, Goth. blēsan (in comp.); all prob. from the same root as E. blow. See Blow to eject air. ] 1. A violent gust of wind. [ 1913 Webster ]

And see where surly Winter passes off,
Far to the north, and calls his ruffian blasts;
His blasts obey, and quit the howling hill. Thomson. [ 1913 Webster ]

2. A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast. [ 1913 Webster ]

☞ The terms hot blast and cold blast are employed to designate whether the current is heated or not heated before entering the furnace. A blast furnace is said to be in blast while it is in operation, and out of blast when not in use. [ 1913 Webster ]

3. The exhaust steam from and engine, driving a column of air out of a boiler chimney, and thus creating an intense draught through the fire; also, any draught produced by the blast. [ 1913 Webster ]

4. The sound made by blowing a wind instrument; strictly, the sound produces at one breath. [ 1913 Webster ]

One blast upon his bugle horn
Were worth a thousand men. Sir W. Scott. [ 1913 Webster ]

The blast of triumph o'er thy grave. Bryant. [ 1913 Webster ]

5. A sudden, pernicious effect, as if by a noxious wind, especially on animals and plants; a blight. [ 1913 Webster ]

By the blast of God they perish. Job iv. 9. [ 1913 Webster ]

Virtue preserved from fell destruction's blast. Shak. [ 1913 Webster ]

6. The act of rending, or attempting to rend, heavy masses of rock, earth, etc., by the explosion of gunpowder, dynamite, etc.; also, the charge used for this purpose. “Large blasts are often used.” Tomlinson. [ 1913 Webster ]

7. A flatulent disease of sheep. [ 1913 Webster ]

Blast furnace, a furnace, usually a shaft furnace for smelting ores, into which air is forced by pressure. --
Blast hole, a hole in the bottom of a pump stock through which water enters. --
Blast nozzle, a fixed or variable orifice in the delivery end of a blast pipe; -- called also blast orifice. --
In full blast, in complete operation; in a state of great activity. See Blast, n., 2. [ Colloq. ] [ 1913 Webster ]

v. t. [ imp. & p. p. Blasted; p. pr. & vb. n. Blasting. ] 1. To injure, as by a noxious wind; to cause to wither; to stop or check the growth of, and prevent from fruit-bearing, by some pernicious influence; to blight; to shrivel. [ 1913 Webster ]

Seven thin ears, and blasted with the east wind. Gen. xii. 6. [ 1913 Webster ]

2. Hence, to affect with some sudden violence, plague, calamity, or blighting influence, which destroys or causes to fail; to visit with a curse; to curse; to ruin; as, to blast pride, hopes, or character. [ 1913 Webster ]

I'll cross it, though it blast me. Shak. [ 1913 Webster ]

Blasted with excess of light. T. Gray. [ 1913 Webster ]

3. To confound by a loud blast or din. [ 1913 Webster ]

Trumpeters,
With brazen din blast you the city's ear. Shak. [ 1913 Webster ]

4. To rend open by any explosive agent, as gunpowder, dynamite, etc.; to shatter; as, to blast rocks. [ 1913 Webster ]

v. i. 1. To be blighted or withered; as, the bud blasted in the blossom. [ 1913 Webster ]

2. To blow; to blow on a trumpet. [ Obs. ] [ 1913 Webster ]

Toke his blake trumpe faste
And gan to puffen and to blaste. Chaucer. [ 1913 Webster ]

[ Gr. blasto`s sprout, shoot. ] A suffix or terminal formative, used principally in biological terms, and signifying growth, formation; as, bioblast, epiblast, mesoblast, etc. [ 1913 Webster ]

a. 1. Blighted; withered. [ 1913 Webster ]

Upon this blasted heath. Shak. [ 1913 Webster ]

2. Confounded; accursed; detestable. [ 1913 Webster ]

Some of her own blasted gypsies. Sir W. Scott. [ 1913 Webster ]

3. Rent open by an explosive. [ 1913 Webster ]

The blasted quarry thunders, heard remote. Wordsworth. [ 1913 Webster ]

‖n.; pl. Blastemata [ Gr. bla`sthma bud, sprout. ] (Biol.) The structureless, protoplasmic tissue of the embryo; the primitive basis of an organ yet unformed, from which it grows. [ 1913 Webster ]

a. (Biol.) Relating to the blastema; rudimentary. [ 1913 Webster ]

a. (Biol.) Connected with, or proceeding from, the blastema; blastemal. [ 1913 Webster ]

n. One who, or that which, blasts or destroys. [ 1913 Webster ]

n. [ Gr. blasto`s sprout, fr. &unr_; to grow. ] (Biol.) A small, clear space in the segments of the ovum, the precursor of the nucleus. [ 1913 Webster ]

n. 1. A blast; destruction by a blast, or by some pernicious cause. [ 1913 Webster ]

I have smitten you with blasting and mildew. Amos iv. 9. [ 1913 Webster ]

2. The act or process of one who, or that which, blasts; the business of one who blasts. [ 1913 Webster ]

. A lamp provided with some arrangement for intensifying combustion by means of a blast. [ Webster 1913 Suppl. ]

n. A sudden stroke or injury produced by some destructive cause. [ Obs. ] Shak. [ 1913 Webster ]

a. [ Gr. &unr_; sprout, germ + &unr_; fruit. ] (Bot.) Germinating inside the pericarp, as the mangrove. Brande & C. [ 1913 Webster ]

n. [ Gr. blasto`s sprout + koi^los hollow. ] (Biol.) The cavity inside a blastula; -- also called segmentation cavity. [ 1913 Webster ]

adj. of or pertaining to a blastocoel. [ WordNet 1.5 ]

n. [ Gr. blasto`s sprout + E. cyst. ] (Biol.) The germinal vesicle. [ 1913 Webster ]

n. an undifferentiated embryonic cell. [ WordNet 1.5 ]

n. [ Gr. blasto`s sprout + E. derm. ] (Embryology) the early stage of an embryo after the first cleavages of the ovum; also, the layer of cells of which the early embryo is composed; specifically: (a) the early embryo developing from a blastodisc, after the blastocoel has formed. (b) in an insect embryo, the layer of cells that surrounds the internal mass of the yolk. [ PJC ]

{ } a. Of or pertaining to the blastoderm. [ 1913 Webster ]

n. a disc-shaped layer of cells on the surface of the yolk mass of an egg (such as that of a bird) which develops to form the embryo.
Syn. -- germinal disc, germinal area. [ WordNet 1.5 +PJC ]

n. the launching of a rocket, especially of a spacecraft, under its own power.
Syn. -- rocket firing, rocket launching, shoot. [ WordNet 1.5 ]