| AMMONOIDS | • ammonoids n. Plural of ammonoid. • AMMONOID n. the coiled shell of an extinct mollusk, also AMMONITE. |
| AMNIOTOMY | • amniotomy n. (Medicine) An artificial rupture of membranes to induce or accelerate labour. • AMNIOTOMY n. surgical removal of the amnion. |
| COMMANDOS | • commandos n. Plural of commando. • COMMANDO n. a specialist assault soldier. |
| COMMONAGE | • commonage n. The condition of land that is held in common. • commonage n. The right to pasture animals on common land. • commonage n. Shared land; a common. |
| COMMORANT | • commorant adj. (Law) Ordinarily residing; inhabiting. • commorant adj. (US, law) Inhabiting or occupying temporarily. • commorant n. A resident. |
| 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. |
| 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. |
| MONATOMIC | • monatomic adj. (Chemistry) Of an element, consisting of a single atom in the molecule, for example, the noble gases… • MONATOMIC adj. consisting of, or containing, one atom; as, the molecule of mercury is monatomic, also MONOATOMIC. |
| MONOAMINE | • monoamine n. (Chemistry, biochemistry) Any compound having a single amino functional group, especially a neurotransmitter. • MONOAMINE n. an amine containing only one amino group. |
| MONODRAMA | • monodrama n. (Theater) A play in the form of a monologue. • MONODRAMA n. a one-man show; a play having only one actor. |
| MONOGAMIC | • monogamic adj. Monogamous, of or relating to monogamy. • MONOGAMIC adj. pertaining to, or involving, monogamy. |
| 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. |
| MONOMACHY | • monomachy n. (Now rare) A fight or other contest between two people or forces; a duel; single combat. • MONOMACHY n. single combat; a duel, also MONOMACHIA. |
| MONOMANIA | • monomania n. Excessive interest or concentration on a singular object or subject. • monomania n. A pathological obsession with one person, thing or idea. • MONOMANIA n. an abnormal obsession with a single thought or idea. |
| 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. |
| 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. |