| AMMONIACUMS | • AMMONIACUM n. gum ammoniac. |
| COMMITMENTS | • commitments n. Plural of commitment. • COMMITMENT n. the state of being committed. |
| COMMUNALISM | • communalism n. The communal ownership of property. • communalism n. Any social system based around a community. • communalism n. (India) stoking conflict or discrimination based on religious identity. |
| IMMOBILISMS | • immobilisms n. Plural of immobilism. • IMMOBILISM n. a political policy characterised by extreme lack of action. |
| IMMOMENTOUS | • immomentous adj. Not momentous; unimportant; insignificant. • IMMOMENTOUS adj. of no value, trifling, also IMMOMENT. |
| IMMORALISMS | • immoralisms n. Plural of immoralism. • IMMORALISM n. rejection of morality. |
| MAMMALOGIES | • mammalogies n. Plural of mammalogy. • MAMMALOGY n. the study of mammals. |
| MAMMALOGIST | • mammalogist n. One who studies mammalogy. • MAMMALOGIST n. a student of mammals. |
| MAMMIFEROUS | • mammiferous adj. Mammalian. • mammiferous adj. (Anatomy) Having mammae, or (humorous) breasts. • MAMMIFEROUS adj. having breasts. |
| MAMMOGRAPHS | • mammographs n. Plural of mammograph. • MAMMOGRAPH n. an X-ray of the breast. |
| MAMMONISTIC | • mammonistic adj. Exhibiting or relating to mammonism; greedy for wealth. • MAMMONISTIC adj. devoted to riches. |
| 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. |
| MEMORANDUMS | • memorandums n. Plural of memorandum. • MEMORANDUM n. (Latin) a note to help the memory. |
| MESOMERISMS | • mesomerisms n. Plural of mesomerism. • MESOMERISM n. in chemistry, resonance, a type of tautomerism. |