| ACHROMATISM | • achromatism n. (Optics) The state or quality of being achromatic; achromaticity. • achromatism n. The state of being free of colors, not emitting or separating into colors. • achromatism n. Achromatopia. |
| AGROSTEMMAS | • AGROSTEMMA n. a European caryophyllaceous plant, aka corncockle. |
| AMETABOLISM | • ametabolism n. The condition of being ametabolic. • AMETABOLISM n. the lack of metamorphosis in insects. |
| AUTOMATISMS | • automatisms n. Plural of automatism. • AUTOMATISM n. the state of being automatic. |
| COMMANDANTS | • commandants n. Plural of commandant. • COMMANDANT n. a commanding officer. |
| FOREMASTMAN | • foremastman n. Any sailor below the rank of petty officer. • FOREMASTMAN n. any sailor below the rank of petty officer. |
| IMMANATIONS | • immanations n. Plural of immanation. • IMMANATION n. a flowing in. |
| MAINTOPMAST | • maintopmast n. (Nautical) The topmast of the mainmast. • MAINTOPMAST n. the mast next above the lower mainmast. |
| MAMMALOGIST | • mammalogist n. One who studies mammalogy. • MAMMALOGIST n. a student of mammals. |
| MAMMOPLASTY | • mammoplasty n. (Surgery) Plastic surgery of a breast to alter its shape or size. • MAMMOPLASTY n. plastic surgery to change the shape of the breasts, as by the use of silicone implants, etc., also MAMMAPLASTY. |
| MAXIMATIONS | • MAXIMATION n. the act of maximising, also MAXIMISATION, MAXIMIZATION. |
| MEGASTARDOM | • megastardom n. The state of someone acknowledged as a megastar. |
| METASOMATIC | • metasomatic adj. (Geology) Of or pertaining to metasomatism. • metasomatic adj. (Entomology) Of or pertaining to the metasoma. • METASOMATIC adj. relating to metasomatism. |
| METHOMANIAS | • METHOMANIA n. a morbid craving for alcohol. |
| METROMANIAS | • metromanias n. Plural of metromania. • METROMANIA n. an insatiable desire for writing verse. |
| MYTHOMANIAS | • mythomanias n. Plural of mythomania. • MYTHOMANIA n. an excessive or abnormal propensity for lying and exaggerating. |
| SCAMMONIATE | • scammoniate adj. (Obsolete, rare) Made from scammony. • SCAMMONIATE adj. of or like scammony, a species of bindweed or convolvulus. |
| SOMATOPLASM | • somatoplasm n. The protoplasm of somatic cells. • SOMATOPLASM n. protoplasm of the somatic cells. |
| SUMMATIONAL | • summational adj. Of or pertaining to summation. • SUMMATIONAL adj. relating to summation, the act of summing. |