| APLANAT | • aplanat n. (Optics) A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image. • APLANAT n. an aplanatic lens, i.e. one free from spherical aberration. |
| APLASIA | • aplasia n. (Pathology) A condition marked by the incomplete development, or entire absence, of an organ or tissue. • APLASIA n. defective development or absence of an organ. |
| APLANATS | • aplanats n. Plural of aplanat. • APLANAT n. an aplanatic lens, i.e. one free from spherical aberration. |
| APLASIAS | • aplasias n. Plural of aplasia. • APLASIA n. defective development or absence of an organ. |
| APLASTIC | • aplastic adj. (Pathology) Relating to aplasia. • aplastic adj. (Pathology) Relating to the inability of the body to create new cells, such that tissue cannot grow or regenerate. • APLASTIC adj. relating to aplasia, incomplete development. |
| APLANATIC | • aplanatic adj. (Optics, of an optical system) Free from, or corrected for, spherical aberration and chromatic aberration. • APLANATIC adj. of a lens, free of spherical aberration. |
| APLANETIC | • APLANETIC adj. of algal spores, lacking a motile stage. |
| APLACENTAL | • aplacental adj. (Zoology) Lacking a placenta; belonging to the Aplacentata. • APLACENTAL adj. having no placenta. |
| APLANATISM | • aplanatism n. (Optics) Freedom from spherical aberration. • APLANATISM n. freedom from spherical aberration. |
| APLANATISMS | • APLANATISM n. freedom from spherical aberration. |
| APLANOSPORE | • aplanospore n. An immobile spore that may nevertheless potentially grow flagella. • APLANOSPORE n. a nonmotile spore. |
| APLANOGAMETE | • aplanogamete n. A non-motile gamete found in certain lower algae. • APLANOGAMETE n. a nonmotile gamete. |
| APLANOSPORES | • aplanospores n. Plural of aplanospore. • APLANOSPORE n. a nonmotile spore. |
| APLANATICALLY | • APLANATIC adv. of a lens, free of spherical aberration. |
| APLANOGAMETES | • aplanogametes n. Plural of aplanogamete. • APLANOGAMETE n. a nonmotile gamete. |