| ATMOMETRIES | • ATMOMETRY n. measurement by atmometer, an instrument for measuring evaporating capacity of air. |
| COMMUTATORS | • commutators n. Plural of commutator. • COMMUTATOR n. a thing which commutes; specifically a device for commutating an electric current. |
| GRAMMATISTS | • grammatists n. Plural of grammatist. • GRAMMATIST n. a petty grammarian. |
| IMPARTMENTS | • impartments n. Plural of impartment. • IMPARTMENT n. the act of imparting. |
| MANUMITTERS | • manumitters n. Plural of manumitter. • MANUMITTER n. one who manumits, releases from slavery. |
| MARTINETISM | • martinetism n. The principles or practices of a martinet; rigid adherence to discipline, etc. • MARTINETISM n. the state of being a martinet. |
| MICROTOMIST | • microtomist n. One who is skilled in or practises microtomy. • MICROTOMIST n. one who uses a microtome. |
| MOTORMOUTHS | • motormouths n. Plural of motormouth. • motor-mouths n. Plural of motor-mouth. • motor␣mouths n. Plural of motor mouth. |
| MULTIMETERS | • multimeters n. Plural of multimeter. • MULTIMETER n. an instrument allowing simultaneous measurement of several values. |
| POSTMORTEMS | • postmortems n. Plural of postmortem. • post-mortems n. Plural of post-mortem. • post␣mortems n. Plural of post mortem. |
| SMARTMOUTHS | • smartmouths v. Third-person singular simple present indicative form of smartmouth. • SMARTMOUTH n. a clever or sarcastic person. |
| STIMPMETERS | • Stimpmeters n. Plural of Stimpmeter. • STIMPMETER n. a device that measures the speed of a putting green by propelling a golf ball down a ramp at a standard initial velocity and measuring how far it travels. |
| TAUTOMERISM | • tautomerism n. (Organic chemistry) A form of isomerism in which a dynamic equilibrium between multiple isomers exists… • TAUTOMERISM n. possession of more than one structure by a substance. |
| TETRAMERISM | • tetramerism n. Four-part radial symmetry. • TETRAMERISM n. division into four parts. |
| TRAUMATISMS | • traumatisms n. Plural of traumatism. • TRAUMATISM n. a condition caused by a wound, shock. |
| TROMOMETERS | • tromometers n. Plural of tromometer. • TROMOMETER n. an instrument for detecting or measuring faint tremors caused by an earthquake. |