| AEROHYDROPLANE | • AEROHYDROPLANE n. a winged hydroplane or flying-boat. |
| CHORDAMESODERM | • chordamesoderm n. (Anatomy) The axial mesoderm, which lies along the central axis under the neural tube and gives rise to the notochord. • CHORDAMESODERM n. the layer of specialized cells in the middle of a developing embryo which forms the notochord and structures of the central nervous system. |
| DEHYDRORETINOL | • dehydroretinol n. (Organic chemistry) A derivative of retinol having an extra double bond; vitamin A2. • DEHYDRORETINOL n. vitamin A2. |
| DYSMENORRHOEAL | • dysmenorrhoeal adj. Alternative form of dysmenorrheal. • dysmenorrhœal adj. Obsolete form of dysmenorrheal. • DYSMENORRHOEAL adj. suffering from dysmenorrhoea, painful menstruation, also DYSMENORRHEAL. |
| DYSMENORRHOEAS | • dysmenorrhoeas n. Plural of dysmenorrhoea. • dysmenorrhœas n. Plural of dysmenorrhœa. • DYSMENORRHOEA n. painful menstruation, also DYSMENORRHEA. |
| DYSMENORRHOEIC | • dysmenorrhoeic adj. Alternative spelling of dysmenorrheic. • dysmenorrhœic adj. Obsolete form of dysmenorrheic. • DYSMENORRHOEIC adj. suffering from dysmenorrhoea, painful menstruation, also DYSMENORRHEIC. |
| HORRENDOUSNESS | • horrendousness n. The quality of being horrendous. • HORRENDOUS n. fearful; frightful. |
| HYDRONEPHROSES | • hydronephroses n. Plural of hydronephrosis. • HYDRONEPHROSIS n. distension of the kidney with urine held up as a result of obstruction in the urinary tract. |
| HYDROPEROXIDES | • hydroperoxides n. Plural of hydroperoxide. • HYDROPEROXIDE n. a compound containing an O2H group. |
| NORETHINDRONES | • NORETHINDRONE n. a synthetic progestational hormone used in birth control pills. |
| OTHERWORLDLIER | • OTHERWORLDLY adj. of, relating to, or resembling that of a world other than the actual world, also OTHERWORLDISH. |
| OVERFLOURISHED | • overflourished v. Simple past tense and past participle of overflourish. • OVERFLOURISH v. to cover with blossom, or with flourishes or ornament. |
| REPHOTOGRAPHED | • rephotographed v. Simple past tense and past participle of rephotograph. • REPHOTOGRAPH v. to photograph again. |
| THERMOPERIODIC | • thermoperiodic adj. Relating to a thermoperiod. • THERMOPERIODIC adj. relating to thermoperiodism, the effect on an organism of rhythmic temperature variations. |
| TRAPEZOHEDRONS | • trapezohedrons n. Plural of trapezohedron. • TRAPEZOHEDRON n. a crystalline form whose faces are trapeziums. |
| WEATHERPROOFED | • weatherproofed v. Simple past tense and past participle of weatherproof. • WEATHERPROOF v. to make able to withstand exposure to weather without damage or loss of function. |