| AMMONOIDS | • ammonoids n. Plural of ammonoid. • AMMONOID n. the coiled shell of an extinct mollusk, also AMMONITE. |
| AMPLOSOME | • AMPLOSOME n. the short or stocky type of human figure. |
| COMMANDOS | • commandos n. Plural of commando. • COMMANDO n. a specialist assault soldier. |
| COSMORAMA | • cosmorama n. (Dated) An exhibition of perspective images of different places in the world, using various optical effects. • COSMORAMA n. a view of different parts of the world. |
| GROOMSMAN | • groomsman n. A man who serves as one of a number of attendants to a bridegroom at a wedding, one of whom is the best man. • GROOMSMAN n. the attendant on a bridegroom. |
| KAMOKAMOS | • KAMOKAMO n. (Maori) a kind of marrow found in New Zealand, also KUMIKUMI. |
| MACROCOSM | • macrocosm n. (Philosophy) A complex structure, such as a society, considered as a single entity that contains numerous… • macrocosm n. (Used absolutely) The universe. • MACROCOSM n. a large and complex structure considered as a whole. |
| MAILROOMS | • mailrooms n. Plural of mailroom. • MAILROOM n. a room in an office that deals with mail. |
| MAINBOOMS | • mainbooms n. Plural of mainboom. • MAINBOOM n. the spar that extends the foot of a fore-and-aft mainsail. |
| MAKIMONOS | • makimonos n. Plural of makimono. • MAKIMONO n. (Japanese) a Japanese ornamental scroll. |
| MONOGRAMS | • monograms n. Plural of monogram. • monograms v. Third-person singular simple present indicative form of monogram. • MONOGRAM v. to mark with one's initials. |
| MONOMARKS | • monomarks n. Plural of monomark. • MONOMARK n. a particular combination of letters, figures etc. as a mark of identification. |
| MONOMIALS | • monomials n. Plural of monomial. • MONOMIAL n. an algebraic expression consisting of a single term. |
| MOONBEAMS | • moonbeams n. Plural of moonbeam. • MOONBEAM n. a ray of light from the moon. |
| MYOMATOUS | • myomatous adj. (Medicine) Of or pertaining to a myoma. • MYOMATOUS adj. of or like a myoma, a tumor consisting of muscular tissue. |
| NOMOGRAMS | • nomograms n. Plural of nomogram. • nomograms v. Third-person singular simple present indicative form of nomogram. • NOMOGRAM n. a chart or diagram of scaled lines or curves used to assist in mathematical calculations, also NOMOGRAPH. |
| ROOMMATES | • roommates n. Plural of roommate. • ROOMMATE n. one who shares a room. |
| TOMOGRAMS | • tomograms n. Plural of tomogram. • TOMOGRAM n. a photograph made with X rays. |