| AMPHIGASTRIUM | • AMPHIGASTRIUM n. a scalelike leaf on the ventral side of some liverworts. |
| AMPHISTOMATAL | • AMPHISTOMATAL adj. of a leaf, having stomata on both surfaces, also AMPHISTOMATIC. |
| AMPHISTOMATIC | • amphistomatic adj. (Botany, of a leaf) Having stomata on both sides. • AMPHISTOMATIC adj. of a leaf, having stomata on both surfaces, also AMPHISTOMATAL. |
| APOCHROMATISM | • apochromatism n. (Optics) Freedom from both chromatic aberration and spherical aberration. • APOCHROMATISM n. being apochromatic. |
| CLAMJAMPHRIES | • clamjamphries n. Plural of clamjamphrie. • CLAMJAMPHRIE n. (Scots) rubbish, nonsense, also CLAMJAMFRY, CLANJAMFRAY. |
| EPITHALAMIUMS | • epithalamiums n. Plural of epithalamium. • EPITHALAMIUM n. a lyric ode in honor of a bride and bridegroom, also EPITHALAMION. |
| GAMESMANSHIPS | • gamesmanships n. Plural of gamesmanship. • GAMESMANSHIP n. the art or practice of winning games by questionable expedients without actually violating the rules. |
| LYMPHANGIOMAS | • lymphangiomas n. Plural of lymphangioma. • LYMPHANGIOMA n. an angioma of the lymph nodes. |
| MAMMOGRAPHIES | • mammographies n. Plural of mammography. • MAMMOGRAPHY n. an X-ray of the breast. |
| MARIMBAPHONES | • marimbaphones n. Plural of marimbaphone. • MARIMBAPHONE n. a marimba. |
| MARKSMANSHIPS | • marksmanships n. Plural of marksmanship. • MARKSMANSHIP n. the skill of a marksman. |
| MAXIMAPHILIES | • MAXIMAPHILY n. the study and collection of maximum cards. |
| MORPHINOMANIA | • morphinomania n. (Dated) morphine addiction. • MORPHINOMANIA n. a habitual craving or desire for morphine. |
| NYMPHOMANIACS | • nymphomaniacs n. Plural of nymphomaniac. • NYMPHOMANIAC n. one afflicted with nymphomania. |
| PANCHROMATISM | • panchromatism n. Quality of being panchromatic. • PANCHROMATISM n. being equally sensitive to all colours. |
| PARAMORPHISMS | • paramorphisms n. Plural of paramorphism. • PARAMORPHISM n. the state of being a paramorph. |