micromelic dwarfism n.
Dwarfism characterized by disproportionately short or small limbs.
[mahy-kruh-meer] /ˈmaɪ krəˌmɪər/ noun 1. a small blastomere, as one of those that form toward the animal pole in embryos that undergo unequal cleavage or those that occur in the embryo of mammals. /ˈmaɪkrəʊˌmɪə/ noun 1. (embryol) any of the small cells formed by unequal cleavage of a fertilized ovum micromere mi·cro·mere (mī’krō-mēr’) n. A […]
micrometastasis mi·cro·me·tas·ta·sis (mī’krō-mə-tās’tə-sĭs) n. The spread of cancer cells from the primary site with the secondary tumors too small to be clinically detected. mi’cro·met’a·stat’ic (-mět’ə-stāt’ĭk) adj.
/ˌmaɪkrəʊˈmiːtɪəˌraɪt/ noun 1. a tiny meteorite having a diameter of 10–40 micrometres, found esp in rainwater and seawater, having entered the atmosphere as a micrometeoroid (extremely small meteoroid)
micrometeoroid (mī’krō-mē’tē-ə-roid’) An extremely small meteoroid, typically the size of a grain of dust. Particles measuring less than 0.05 mm (0.002 inch) in diameter are classed as micrometeoroids. Despite their small size, their high velocities mean that micrometeoroids pose a significant threat to spacecraft and artificial satellites. ◇ A micrometeoroid that reaches the surface of […]