| CHIMNEYBOARDS | • CHIMNEYBOARD n. a board blocking up a fireplace. |
| CHLAMYDOSPORE | • chlamydospore n. A thick-walled spore that is the resting stage of some bacteria. • CHLAMYDOSPORE n. a thick-walled usually resting fungal spore. |
| DEMONSTRATORY | • demonstratory adj. Serving to demonstrate something. • DEMONSTRATORY adj. serving to demonstrate. |
| DERMATOPHYTES | • dermatophytes n. Plural of dermatophyte. • DERMATOPHYTE n. a fungus parasitic on the skin or skin derivatives (as hair or nails). |
| DERMATOPLASTY | • dermatoplasty n. (Surgery) Plastic surgery of the skin, especially the use of skin grafts. • DERMATOPLASTY n. a plastic operation on the skin. |
| DYNAMOMETRIES | • DYNAMOMETRY n. measurement by dynamometer. |
| DYSMENORRHEAL | • dysmenorrheal adj. Relating to dysmenorrhea. • DYSMENORRHEAL adj. suffering from dysmenorrhea, painful menstruation, also DYSMENORRHOEAL. |
| DYSMENORRHEAS | • dysmenorrheas n. Plural of dysmenorrhea. • DYSMENORRHEA n. painful menstruation, also DYSMENORRHOEA. |
| DYSMENORRHOEA | • dysmenorrhoea n. Alternative spelling of dysmenorrhea. • dysmenorrhœa n. Obsolete form of dysmenorrhea. • DYSMENORRHOEA n. painful menstruation, also DYSMENORRHEA. |
| FORMALDEHYDES | • formaldehydes n. Plural of formaldehyde. • FORMALDEHYDE n. a formic aldehyde, formalin. |
| HAEMODIALYSER | • haemodialyser n. Alternative form of hemodialyzer. • HAEMODIALYSER n. an artificial kidney, also HAEMODIALYZER, HEMODIALYZER. |
| HEMODIALYZERS | • hemodialyzers n. Plural of hemodialyzer. • HEMODIALYZER n. an artificial kidney. |
| HOLIDAYMAKERS | • holidaymakers n. Plural of holidaymaker. • holiday-makers n. Plural of holiday-maker. • HOLIDAYMAKER n. someone on holiday. |
| HYDROMASSAGES | • hydromassages n. Plural of hydromassage. |
| HYDROMEDUSANS | • HYDROMEDUSAN n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSOID. |
| MYOCARDITISES | • myocarditises n. Plural of myocarditis. • MYOCARDITIS n. inflammation of the myocardium. |
| PRASEODYMIUMS | • praseodymiums n. Plural of praseodymium. • PRASEODYMIUM n. a chemical element, a metal with green salts, isolated from the once-supposed element didymium. |
| PSEUDOMARTYRS | • pseudomartyrs n. Plural of pseudomartyr. • PSEUDOMARTYR n. a false martyr. |
| PYRIDOXAMINES | • pyridoxamines n. Plural of pyridoxamine. • PYRIDOXAMINE n. a crystalline amine of the vitamin B6 group. |
| TETRADYNAMOUS | • tetradynamous adj. (Botany) Belonging to the order Tetradynamia; having six stamens, four of which are uniformly longer than the others. • TETRADYNAMOUS adj. having six stamens, two shorter than the other four. |