[mahy-kruh-meer] /ˈmaɪ krəˌmɪər/
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.
(embryol) any of the small cells formed by unequal cleavage of a fertilized ovum
micromere mi·cro·mere (mī’krō-mēr’)
A very small blastomere, as at the animal pole of certain eggs.
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 […]
[mahy-kroh-mee-tee-uh-rol-uh-jee] /ˌmaɪ kroʊˌmi ti əˈrɒl ə dʒi/ noun 1. the study of local and small-scale atmospheric phenomena, usually confined to the physical and dynamic occurrences within a shallow stratum of air adjacent to the ground. /ˌmaɪkrəʊˌmiːtɪəˈrɒlədʒɪ/ noun 1. the study of the layer of air immediately above the earth and of small-scale meteorological processes micrometeorology […]