| AMMONIACUM | • ammoniacum n. Gum ammoniac, a resin exuded from the stem of the perennial herb Dorema ammoniacum. • AMMONIACUM n. gum ammoniac. |
| BRUMMAGEMS | • brummagems n. Plural of brummagem. • Brummagems n. Plural of Brummagem. • BRUMMAGEM n. something showy but cheap. |
| COMMUNISMS | • communisms n. Plural of communism. • COMMUNISM n. a social theory according to which society should be classless, private property should be abolished, and land, factories, etc. collectively owned and controlled. |
| DIAMMONIUM | • diammonium n. (Inorganic chemistry) Two ammonium ions in a compound. |
| IMMUREMENT | • immurement n. Capital punishment by entombing for life. • IMMUREMENT n. the act of immuring, or the state of being immured. |
| MEMORANDUM | • memorandum n. A short note serving as a reminder. • memorandum n. A written business communication. • memorandum n. A brief diplomatic communication. |
| MIDSUMMERS | • midsummers n. Plural of midsummer. • MIDSUMMER n. the middle of summer. |
| MUGWUMPISM | • mugwumpism n. (US politics, slang) The acts and views of the mugwumps. • MUGWUMPISM n. being a mugwump. |
| MUMBLEMENT | • mumblement n. Mumbling. • MUMBLEMENT n. (Carlyle) mumbling speech. |
| MUMMERINGS | • mummerings n. Plural of mummering. • MUMMERING n. a Christmas time house-visiting tradition still practiced in Newfoundland and Labrador. |
| MUMMICHOGS | • mummichogs n. Plural of mummichog. • MUMMICHOG n. (Native American) any one of several species of small American cyprinodont fishes, aka killifish. |
| MUMMIFORMS | • MUMMIFORM n. a sarcophagus. |
| MUMMIFYING | • mummifying v. Present participle of mummify. • MUMMIFY v. to preserve by embalming, also MUMMY. |
| OMMATIDIUM | • ommatidium n. (Zoology) One of the conical substructures which make up the eyes of invertebrates with compound eyes. • OMMATIDIUM n. a simple element of a compound eye. |
| SIMILLIMUM | • simillimum n. (Homeopathy) A remedy selected because it causes symptoms similar to those that the practitioner wishes to treat. • SIMILLIMUM n. a remedy chosen for the symptoms it emulates. |
| SUBMINIMUM | • subminimum adj. Below the normal minimum. • subminimum n. (Mathematics) A point or value below a minimum. |
| SUMMERTIME | • summertime n. The period or season of summer. • summer-time n. Alternative spelling of summertime. • summer␣time n. (Britain) daylight saving time. |