| CONCOCTORS | • concoctors n. Plural of concoctor. • CONCOCTOR n. one who concocts, also CONCOCTER. |
| COSMOTRONS | • cosmotrons n. Plural of cosmotron. • COSMOTRON n. a large synchrotron used for accelerating protons to high energies. |
| DOORSTONES | • doorstones n. Plural of doorstone. • DOORSTONE n. the stone forming a threshold. |
| MONOPTEROS | • monopteros n. (Architecture) A classical temple made up of one circle of columns supporting a roof. • MONOPTEROS n. a building with single ring of columns supporting a roof. |
| MONOTROCHS | • monotrochs n. Plural of monotroch. • MONOTROCH n. (Scott) a wheelbarrow. |
| NONDOCTORS | • nondoctors n. Plural of nondoctor. • NONDOCTOR n. someone who is not a doctor. |
| NOOTROPICS | • nootropics n. Plural of nootropic. • NOOTROPIC n. a nootropic drug. |
| NOTOCHORDS | • notochords n. Plural of notochord. • NOTOCHORD n. a backbone-like series of cells in the lowest vertebrates. |
| ORTHOTONES | • ORTHOTONE n. an orthotone word. |
| PONTOONERS | • pontooners n. Plural of pontooner. • PONTOONER n. a builder of pontoon bridges, also PONTONEER, PONTONIER, PONTONNIER. |
| PORTOLANOS | • portolanos n. Plural of portolano. • PORTOLANO n. (Italian) in the Middle Ages, a navigation manual, also PORTOLAN, PORTULAN. |
| PROMOTIONS | • promotions n. Plural of promotion. • PROMOTION n. the act of promoting. |
| PROTOZOANS | • protozoans n. Plural of protozoan. • PROTOZOAN n. any member of the Protozoa, also PROTOZOON. |
| PROTOZOONS | • PROTOZOON n. any member of the Protozoa, also PROTOZOAN. |
| SENSOMOTOR | • SENSOMOTOR adj. of or relating to both the sensory and motor functions of an organism or to the nerves controlling them. |
| STROBOTRON | • strobotron n. A cold-cathode tube designed for high-current narrow pulses, used in high-speed photography. • STROBOTRON n. a gas-filled electron tube used esp. as a source of bright flashes of light for a stroboscope. |
| STRONGROOM | • strongroom n. A strongly built room or vault where valuables may be safely stored. • strong␣room n. Alternative spelling of strongroom. • STRONGROOM n. a room for the keeping of valuables etc. |