| BLASTOPORES | • blastopores n. Plural of blastopore. • BLASTOPORE n. the opening of the archenteron in the gastrula that develops into the anus of some animals, also BLASTOPOR. |
| BLASTOSPORE | • blastospore n. (Mycology) A type of fungal spore produced asexually by budding. • BLASTOSPORE n. the orifice of a gastrula. |
| MISOPROSTOL | • misoprostol n. (Pharmacology) A drug used for various purposes including the prevention of drug-induced gastric ulcers… |
| POLYESTROUS | • polyestrous adj. (Biology) Having multiple periods of estrus in a year, or during a breeding season. • POLYESTROUS adj. having more than one period of estrus in a year. |
| POLYHISTORS | • polyhistors n. Plural of polyhistor. • POLYHISTOR n. a person of great and wide learning, also POLYHISTORIAN. |
| PORTIONLESS | • portionless adj. Lacking a portion; especially, without a dowry. • PORTIONLESS adj. without a portion. |
| POSTHOLDERS | • postholders n. Plural of postholder. • POSTHOLDER n. one who holds a post. |
| POSTOCULARS | • postoculars n. Plural of postocular. • POSTOCULAR n. a scale situated behind the eye of some lizards. |
| POSTULATORS | • postulators n. Plural of postulator. • POSTULATOR n. an official who presents case for canonization or beatification. |
| PROTEOLYSES | • proteolyses n. Plural of proteolysis. • proteolyses v. Third-person singular simple present indicative form of proteolyse. • PROTEOLYSE v. to split proteins by proteolysis. |
| PROTEOLYSIS | • proteolysis n. (Biochemistry) The hydrolysis of proteins into peptides and amino acids, especially as part of the digestion of food. • PROTEOLYSIS n. the disintegration of protein. |
| PROTOPLASMS | • protoplasms n. Plural of protoplasm. • PROTOPLASM n. the complex translucent colourless colloidal material comprising the living part of a cell. |
| PROTOPLASTS | • protoplasts n. Plural of protoplast. • PROTOPLAST n. living material within a cell divided into discrete structures; the protein of which cells are composed. |
| PROTOSTELES | • protosteles n. Plural of protostele. • PROTOSTELE n. a stele in which the vascular tissue forms a solid core, with centrally placed xylem surrounded by phloem. |
| SPOILSPORTS | • spoilsports n. Plural of spoilsport. • spoil-sports n. Plural of spoil-sport. • SPOILSPORT n. one who spoils the sport or pleasure of others. |
| STROPHIOLES | • strophioles n. Plural of strophiole. • STROPHIOLE n. a caruncle. |
| TELIOSPORES | • teliospores n. Plural of teliospore. • TELIOSPORE n. the thick-walled resting spore of rusts and smuts from which the basidium arises. |
| TOOLPUSHERS | • toolpushers n. Plural of toolpusher. • tool-pushers n. Plural of tool-pusher. • TOOLPUSHER n. a supervisor of drilling operations at an oil well. |