aster defined in 1951 yearaster - aster;
aster - A system of striations in the cytoplasm, radiating from the centriole, and consisting of microtubules; often conspicuous during cleavage of the egg, or during fusion of nuclei at fertilization; also probably present in many other animal cells during their division. Absent in higher plants.
near aster in Knolik
definition of word "aster" was readed 984 times