| BEADBLAST | • BEADBLAST n. a jet of small glass beads blown under pressure. • BEADBLAST v. to clean with such a jet. |
| CYTOPLAST | • cytoplast n. (Biology) The intact cytoplasm of a cell from which the nucleus has been removed. • CYTOPLAST n. the intact cytoplasm of a single cell. |
| ECTOBLAST | • ectoblast n. (Dated, biology) The outer layer of the blastoderm; the ectoderm or epiblast. • ECTOBLAST n. the outer layer of the blastoderm, also EPIBLAST. |
| ENDOBLAST | • endoblast n. Entoblast. • ENDOBLAST n. the inner cell-layer of a gastrula, also ENTOBLAST. |
| ENTOBLAST | • entoblast n. Any of the embryonic blastomeres that develop into the endoderm. • ENTOBLAST n. the inner germ layer, the endoderm, also ENDOBLAST. |
| HYPOBLAST | • hypoblast n. (Embryology) A type of tissue that forms from the inner cell mass and later is incorporated into the endoderm. • HYPOBLAST n. the inner or lower layer of the blastoderm. |
| IDIOBLAST | • idioblast n. (Botany) An isolated specialised cell found in the midst of an otherwise homogeneous group of cells in plant tissue. • IDIOBLAST n. a plant cell that differs from neighbouring cells in the same tissue. |
| LIPOPLAST | • lipoplast n. (Botany) A small structure in seeds in which fat is stored. • LIPOPLAST n. a small particle in plant cytoplasm esp. that of seeds in which fat is stored. |
| MESOBLAST | • mesoblast n. (Biology) the middle, germinal layer of undifferentiated cells of an early embryo; it becomes the mesoderm. • MESOBLAST n. another name for the mesoderm, the middle germ layer of the embryo in early development. |
| OVERPLAST | • OVERPLAST adj. (Spenser) overplaced, placed above. |
| PARABLAST | • parablast n. (Biology) A portion of the mesoblast (of peripheral origin) of the developing embryo, whose cells are… • PARABLAST n. the yolk of an egg, such as a hen's egg, that undergoes meroblastic cleavage. |
| PERIBLAST | • periblast n. (Biology) The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation. • PERIBLAST n. in meroblastic eggs, the margin of the blastoderm merging with the surrounding yolk. |
| PERIPLAST | • periplast n. (Biology) periblast of algae. • periplast n. (Cytology) periplasm. • PERIPLAST n. an intercellular substance; the ectoplasm of flagellates. |
| PYROCLAST | • pyroclast n. (Geology) Solid matter ejected into the air by an active volcano. • PYROCLAST n. ash and other debris ejected by a volcano. |
| SANDBLAST | • sandblast v. To spray with fast-moving solid grains (such as sand propelled by compressed air, although softer material… • sandblast n. Sand driven by a blast of air or steam for cutting and engraving figures on glass or metal. • SANDBLAST n. a sand-laden wind. |
| TONOPLAST | • tonoplast n. (Cytology) The cytoplasmic membrane surrounding a vacuole, separating the vacuolar contents from the… • TONOPLAST n. a semipermeable membrane surrounding a plant vacuole. |
| WINDBLAST | • windblast n. A sudden rush of air or gas due to the collapse of a void, especially in mining. • WINDBLAST n. a blast of wind. |
| XENOBLAST | • xenoblast n. A crystal forming in a metamorphic rock that has not developed its characteristic crystalline faces… • XENOBLAST n. a type of mineral deposit. |