| IMMUNISE | • immunise v. (British spelling) Alternative spelling of immunize. • IMMUNISE v. to render immune from infection, also IMMUNIZE. |
| INDUSIUM | • indusium n. (Botany) A protecting membrane, especially that covering the developing spores of a fern. • INDUSIUM n. an enclosing membrane. |
| INFIMUMS | • infimums n. Plural of infimum. • INFIMUM n. (Latin) a mathematical term for the greatest lower bound. |
| LUMINISM | • luminism n. (Art) An American artistic style of the 19th century, characterised by effects of light in landscapes. • LUMINISM n. a style of realist landscape painting. |
| LUMINIST | • luminist n. (Painting) A painter who works in the style of luminism. • LUMINIST n. a painter who uses the effects of light. |
| MINIMUMS | • minimums n. Plural of minimum. • MINIMUM n. (Latin) the least possible amount. |
| MISCUING | • miscuing v. Present participle of miscue. • miscuing n. An instance of something being miscued; a miscue. • MISCUE v. to make a faulty stroke in billiards. |
| MISUNION | • misunion n. A bad or wrong union or alliance. • MISUNION n. a bad union. |
| MISUSING | • misusing v. Present participle of misuse. • MISUSE v. to use incorrectly. |
| MUISTING | • MUIST v. to powder, also MOUST. |
| MUNIFIES | • munifies v. Third-person singular simple present indicative form of munify. • MUNIFY v. to fortify, also MUNITE. |
| MUSICIAN | • musician n. A composer, conductor, or a performer of music; more specifically, it’s a person who sings and/or plays… • MUSICIAN n. one who performs or composes music. |
| MUTINIES | • mutinies n. Plural of mutiny. • mutinies v. Third-person singular simple present indicative form of mutiny. • MUTINY v. to revolt against constituted authority, also MUTINE, MUTINEER. |
| NIOBIUMS | • niobiums n. Plural of niobium. • NIOBIUM n. a metallic element, formerly called columbium. |
| UNDINISM | • undinism n. (Psychology) Sexual arousal from urine or urination. • UNDINISM n. a preoccupation with water. |
| UNIONISM | • unionism n. The support of advocacy of a union, especially of a trade union. • unionism n. (Often capitalised) Support for the North (the Union) during the American Civil War. • unionism n. (Often capitalised) Support for the continuance of the United Kingdom (especially with respect to Northern Ireland). |