| AMMOCETES | • ammocetes n. Plural of ammocete. • AMMOCETE n. the larva of a lamprey. |
| AMMOLITES | • ammolites n. Plural of ammolite. • AMMOLITE n. the fossilised shell of an ammonite. |
| AMMONATES | • AMMONATE n. a type of ammonia compound, also AMMINE, AMMONIATE. |
| AMMONITES | • ammonites n. Plural of ammonite. • Ammonites n. Plural of Ammonite. • AMMONITE n. the coiled shell of an extinct mollusk, also AMMONOID. |
| HEMATOMAS | • hematomas n. (US) plural of hematoma. • HEMATOMA n. swelling filled with blood. |
| IMMOLATES | • immolates v. Third-person singular simple present indicative form of immolate. • IMMOLATE v. to kill as a sacrifice. |
| MAELSTROM | • maelstrom n. A large and violent whirlpool. • maelstrom n. (Figuratively) A chaotic or turbulent situation. • maelström n. Dated spelling of maelstrom. |
| MALMSTONE | • malmstone n. Synonym of malm. • malmstone n. A flintlike material used to in pavement or as a building material. • MALMSTONE n. calcareous loam; earth of this kind, formerly used for making brick. |
| MARMOSETS | • marmosets n. Plural of marmoset. • MARMOSET n. a kind of small monkey. |
| MASTERDOM | • masterdom n. (Now rare) Dominion; rule, supremacy. • MASTERDOM n. dominion; rule; command. |
| MEGASTORM | • megastorm n. A major storm (weather phenomenon) capable of causing catastrophic damage. • mega-storm n. Alternative spelling of megastorm. • MEGASTORM n. a very large storm. |
| MELASTOME | • melastome n. Any of the genus Melastoma of plants. • MELASTOME n. a tropical flowering plant of the myrtle family. |
| METASOMAS | • metasomas n. Plural of metasoma. • METASOMA n. the posterior part of an arachnid's abdomen. |
| MOUSEMATS | • mousemats n. Plural of mousemat. • mouse␣mats n. Plural of mouse mat. • MOUSEMAT n. a piece of material on which a computer mouse is moved, also MOUSEPAD. |
| MYCETOMAS | • mycetomas n. Plural of mycetoma. • MYCETOMA n. a chronic fungus infection leading to nodules that discharge oily pus. |
| ROOMMATES | • roommates n. Plural of roommate. • ROOMMATE n. one who shares a room. |