| APOSPORIC | • aposporic adj. Alternative form of aposporous. • APOSPORIC adj. relating to apospory, the development of prothalli. |
| ASCOSPORE | • ascospore n. (Biology) A sexually produced spore from the ascus of an Ascomycetes fungus. • ASCOSPORE n. one of the spores contained in the asci of lichens and fungi. |
| AUTOSPORE | • autospore n. An immobile spore that cannot develop flagella. • AUTOSPORE n. a nonmotile algal spore. |
| AUTOSPORT | • autosport n. Motorsport. • AUTOSPORT n. the sport of motor-racing. |
| AUXOSPORE | • auxospore n. (Biology) A reproductive spore in diatoms that is formed by the union of two cells. • AUXOSPORE n. a diatom cell before its siliceous wall is formed. |
| ENDOSPORE | • endospore n. The inner layer of a spore. • endospore n. A small vegetative spore produced by some bacteria. • ENDOSPORE n. the thin inner coat of certain spores. |
| EXOSPORAL | • exosporal adj. Relating to an exospore. • EXOSPORAL adj. of or like an exospore, the extreme outer layer of a spore. |
| EXOSPORES | • exospores n. Plural of exospore. • EXOSPORE n. the outer covering of a spore. |
| EXOSPORIA | • exosporia n. Plural of exosporium. • EXOSPORIUM n. the outermost layer of spores of certain bacilli. |
| HOMOSPORY | • homospory n. The quality of being homosporous. • HOMOSPORY n. having spores all of one kind. |
| MEIOSPORE | • meiospore n. A haploid spore produced by meiosis. • MEIOSPORE n. a haploid spore. |
| OOSPOROUS | • OOSPOROUS adj. of or pertaining to an oospore, a special kind of spore resulting from the fertilization of an oosphere by antherozoids, also OOSPORIC. |
| ZOOSPORES | • zoospores n. Plural of zoospore. • zoöspores n. Plural of zoöspore. • ZOOSPORE n. a motile flagellated spore, occurring in certain algae, fungi, and protozoans. |
| ZOOSPORIC | • zoosporic adj. Having or pertaining to zoospores. • ZOOSPORIC adj. of or pertaining to zoospores. |
| ZYGOSPORE | • zygospore n. (Botany) A zygosperm. • zygospore n. (Botany) A spore formed by the union of several zoospores. • ZYGOSPORE n. a spore formed by union of two similar cells, also ZYGOSPERM. |