Aplanatic lens
aplanatic lens
aplanatic lens n.
a lens designed to correct spherical and coma aberration.
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- Aplanatic
free from spherical aberration and coma. historical examples a lens in which the spherical aberration is corrected is said to be aplanatic. an elementary text-book of the microscope john william griffith aplanatic triplets 64-68 can only be used on stands with rack and pinion adjustment. microscopes and accessory apparatus ernst leitz adjective (of a lens […]
- Aplanogamete
a nonmotile gamete.
- Aplanetic
having no motility. adjective (esp of some algal and fungal spores) nonmotile or lacking a motile stage
- Aplanospore
(in certain algae and fungi) a nonmotile, as-xual spore formed within a cell, the wall of which is distinct from that of the parent cell. noun a nonmotile as-xual spore produced by certain algae and fungi
- Aplasia
defective development or congenital absence of a limb, organ, or other body part. noun (pathol) congenital absence or abnormal development of an organ or part n. 1885, medical latin, from greek a-, privative prefix (see a- (3)), + -plasia. aplasia a·pla·si·a (ə-plā’zē-ə, -zhə) n. congenital absence of an organ or tissue. incomplete, r-t-rded, or defective […]