| ARCHESPORIUM | • archesporium n. (Botany) Any of the cells of the sporangium that give rise to spores. • ARCHESPORIUM n. a primitive cell or group of cells from which a mother cell develops. |
| COMPRESSURES | • compressures n. Plural of compressure. • COMPRESSURE n. the act of compressing. |
| COMPURGATORS | • compurgators n. Plural of compurgator. • COMPURGATOR n. one who under oath vouches for the character or conduct of an accused person. |
| MACROPTEROUS | • macropterous adj. Having long wings or fins. • MACROPTEROUS adj. having large wings or fins. |
| MICROPTEROUS | • micropterous adj. (Entomology) Having small, sometimes merely vestigial, wings. • MICROPTEROUS adj. having small wings or fins. |
| MICROSPOROUS | • microsporous adj. Relating to microspores. • MICROSPOROUS adj. of or like a microspore, also MICROSPORIC. |
| MUCKSPREADER | • muckspreader n. Alternative form of muck spreader. • muck␣spreader n. A piece of farm machinery, usually towed behind a tractor, used to spray liquified manure on fields. • MUCKSPREADER n. an agricultural machine for spreading manure. |
| PERICARDIUMS | • pericardiums n. Plural of pericardium. • PERICARDIUM n. a membranous sac containing the heart. |
| PERICRANIUMS | • pericraniums n. Plural of pericranium. • PERICRANIUM n. a membrane covering the skull. |
| PERIOSTRACUM | • periostracum n. (Malacology) The proteinaceous outer sheath of many molluscan shells. • PERIOSTRACUM n. the horny outer layer of a mollusc's shell. |
| PRECOMPUTERS | • precomputers adv. (Informal) Before the availability of computers. • precomputers n. Plural of precomputer. |
| PROCEREBRUMS | • PROCEREBRUM n. the forebrain, the prosencephalon. |
| PROCUREMENTS | • procurements n. Plural of procurement. • PROCUREMENT n. the act of procuring. |
| SCRIPTORIUMS | • scriptoriums n. Plural of scriptorium. • SCRIPTORIUM n. (Latin) a writing room, esp. of scribes in medieval monastery. |
| SCRIPTURISMS | • SCRIPTURISM n. adherence to the scriptures. |