| ARITHMOMETERS | • arithmometers n. Plural of arithmometer. • ARITHMOMETER n. (obsolete) an early adding machine. |
| ARTHRECTOMIES | • arthrectomies n. Plural of arthrectomy. • ARTHRECTOMY n. the surgical excision of a joint. |
| KATHAROMETERS | • katharometers n. Plural of katharometer. • KATHAROMETER n. an instrument measuring changes in composition of gases. |
| MATRIARCHATES | • matriarchates n. Plural of matriarchate. • MATRIARCHATE n. a matriarchy. |
| MERRYTHOUGHTS | • merrythoughts n. Plural of merrythought. • MERRYTHOUGHT n. the furcula between the neck and breastbone of poultry, aka wishbone. |
| ORTHOTROPISMS | • ORTHOTROPISM n. vertical growth. |
| RETRENCHMENTS | • retrenchments n. Plural of retrenchment. • RETRENCHMENT n. cutting down on; reduction in amount of. |
| RHYTHMOMETERS | • rhythmometers n. Plural of rhythmometer. • RHYTHMOMETER n. an instrument for measuring the speed of rhythms. |
| TETRADRACHMAS | • tetradrachmas n. Plural of tetradrachma. |
| THERMOMETRIES | • THERMOMETRY n. the measurement of temperature. |
| THERMOTROPICS | • THERMOTROPIC n. a thermotropic plant. |
| THERMOTROPISM | • thermotropism n. (Botany) Thermotropic movement of a plant or plant part in response to changes in temperature. • THERMOTROPISM n. the growth of organism as influenced by heat. |
| THUNDERSTORMS | • thunderstorms n. Plural of thunderstorm. • THUNDERSTORM n. a storm featuring thunder. |
| TRICHROMATISM | • trichromatism n. The quality, state, or phenomenon of being trichromatic. • TRICHROMATISM n. use of the three primary colors for color reproduction; normal color vision. |
| TRIMETHOPRIMS | • trimethoprims n. Plural of trimethoprim. • TRIMETHOPRIM n. a synthetic antibacterial and antimalarial drug used alone or in combination with sulfamethoxazole. |
| TROCHEAMETERS | • trocheameters n. Plural of trocheameter. • TROCHEAMETER n. a hodometer, also TROCHOMETER. |
| TROPHOTROPISM | • trophotropism n. The movements of the organs in a growing plant, as towards nutrient substances, induced by the chemical… • TROPHOTROPISM n. direction of growth by nutritional factors. |
| ULTRARIGHTISM | • ultrarightism n. Ultraright beliefs generally. • ULTRARIGHTISM n. adherence to extreme right-wing policies. |