a type of plastic dynamite containing about 7 percent of a cellulose nitrate, used chiefly in underwater work.
a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc. Historical Examples Sir Brook Fossbrooke, Volume I. Charles James Lever Mark Twain, A Biography, 1835-1910, Complete Albert Bigelow Paine The Cottage of Delight Will N. Harben Mark Twain, A Biography, 1835-1910, Complete Albert Bigelow Paine Deep Down, […]
a combining form meaning “bud, sprout,” “embryo,” “formative cells or cell layer,” used in the formation of compound words: blastosphere. combining form (in biology) indicating an embryo or bud or the process of budding: blastoderm
the cavity of a blastula, arising in the course of cleavage. Historical Examples Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 Various noun (embryol) the cavity within a blastula Also called segmentation cavity blas’to·coe’lic adj. blastocoel or blastocoele (blās’tə-sēl’) The fluid-filled, central cavity of a blastula.