| COMPOTATORS | • compotators n. Plural of compotator. • COMPOTATOR n. one who drinks with another. |
| CONTORTIONS | • contortions n. Plural of contortion. • CONTORTION n. the state of being contorted. |
| COROTATIONS | • corotations n. Plural of corotation. • COROTATION n. the act of rotating in conjunction with another body. |
| EROTOLOGIST | • erotologist n. One who studies erotology. • EROTOLOGIST n. a student of erotology. |
| MOTORMOUTHS | • motormouths n. Plural of motormouth. • motor-mouths n. Plural of motor-mouth. • motor␣mouths n. Plural of motor mouth. |
| MOTORSPORTS | • motorsports n. Plural of motorsport. |
| OCTOTHORPES | • octothorpes n. Plural of octothorpe. |
| PHOTOTROPES | • PHOTOTROPE n. a substance exhibiting phototropism, movement directed by light. |
| PHOTOTROPHS | • phototrophs n. Plural of phototroph. • PHOTOTROPH n. a plant which uses light to generate energy needed to absorb nutrients. |
| PROTOCOLIST | • protocolist n. One who draws up protocols. • PROTOCOLIST n. a registrar or clerk. |
| PROTOSTOMES | • protostomes n. Plural of protostome. • PROTOSTOME n. a major group of bilateral metazoan animals, that includes mollusks and annelids. |
| PROTOTROPHS | • prototrophs n. Plural of prototroph. • PROTOTROPH n. a bacterium feeding only on inorganic matter. |
| RONDOLETTOS | • rondolettos n. Plural of rondoletto. • RONDOLETTO n. a short rondo. |
| STROBOTRONS | • strobotrons n. Plural of strobotron. • STROBOTRON n. a gas-filled electron tube used esp. as a source of bright flashes of light for a stroboscope. |
| TROCHOTRONS | • TROCHOTRON n. a trochoidal magnetron, high-frequency counting tube which deflects a beam on to radially disposed electrodes. |