| COMPLOTTERS | • complotters n. Plural of complotter. • COMPLOTTER n. one who complots. |
| LACTOMETERS | • lactometers n. Plural of lactometer. • LACTOMETER n. an instrument for testing the relative density of milk. |
| LETTERFORMS | • letterforms n. Plural of letterform. • LETTERFORM n. the shape of a letter of the alphabet from the point of view of design. |
| MARTELLATOS | • MARTELLATO n. (Italian) (in string playing) the practice of bowing the string with a succession of short sharp blows. |
| MATRONLIEST | • MATRONLY adj. like a matron. |
| METHYLATORS | • methylators n. Plural of methylator. • METHYLATOR n. an agent that methylates. |
| METROLOGIST | • metrologist n. One who studies or practices metrology. • METROLOGIST n. a student of metrology. |
| METROSTYLES | • METROSTYLE n. a device for regulating speed in a player-piano. |
| MORTALITIES | • mortalities n. Plural of mortalitie. • mortalities n. Plural of mortality. • MORTALITY n. the state of being mortal. |
| MOTHERLIEST | • MOTHERLY adj. maternal. |
| MULTISTOREY | • multistorey adj. Alternative spelling of multi-storey. • multistorey n. Alternative spelling of multi-storey. • multi-storey adj. (Of a building) Having more than one storey. |
| PETROLATUMS | • petrolatums n. Plural of petrolatum. • PETROLATUM n. petroleum jelly. |
| PLASTOMETER | • plastometer n. A tool used to determine the flow properties of plastic materials. • PLASTOMETER n. an instrument for measuring plasticity. |
| PLASTOMETRY | • PLASTOMETRY n. measurement by plastometer. |
| PORTMANTLES | • portmantles n. Plural of portmantle. • PORTMANTLE n. (obsolete) a portmanteau, also PORTMANTEAU, PORTMANTUA. |
| VOLTAMETERS | • voltameters n. Plural of voltameter. • VOLTAMETER n. an instrument for measuring electrical current indirectly. |