| AEROHYDROPLANE | • AEROHYDROPLANE n. a winged hydroplane or flying-boat. | 
| CROTONALDEHYDE | • crotonaldehyde n. (Organic chemistry) The unsaturated aliphatic aldehyde CH3-CH=CH-CHO that is used in organic synthesis. • CROTONALDEHYDE n. a pungent liquid aldehyde obtained by dehydration of aldol. | 
| DEHYDRORETINOL | • dehydroretinol n. (Organic chemistry) A derivative of retinol having an extra double bond; vitamin A2. • DEHYDRORETINOL n. vitamin A2. | 
| DICHLOROETHANE | • dichloroethane n. (Chemistry) Either of two isomeric organochlorides with the molecular formula C2H4Cl2: 1,1-dichloroethane… • DICHLOROETHANE n. a colorless toxic liquid compound that is used chiefly as a solvent. | 
| DYSMENORRHOEAL | • dysmenorrhoeal adj. Alternative form of dysmenorrheal. • dysmenorrhœal adj. Obsolete form of dysmenorrheal. • DYSMENORRHOEAL adj. suffering from dysmenorrhoea, painful menstruation, also DYSMENORRHEAL. | 
| ENDOTHELIOMATA | • endotheliomata n. Plural of endothelioma. • ENDOTHELIOMA n. a tumour of the endothelia. | 
| GENTLEMANHOODS | • GENTLEMANHOOD n. the state of being a gentleman. | 
| HYDROGENOLYSES | • hydrogenolyses n. Plural of hydrogenolysis. • HYDROGENOLYSIS n. a chemical reaction in which a compound is decomposed by hydrogen. | 
| KINETHEODOLITE | • kinetheodolite n. A form of theodolite used to track the movement of an aircraft or missile. • KINETHEODOLITE n. a theodolite used in tracking missiles and satellites. | 
| LEUCITOHEDRONS | • LEUCITOHEDRON n. the cubic icositetrahedron, simulated by typical leucite crystals. | 
| NONHALOGENATED | • nonhalogenated adj. Not halogenated. • NONHALOGENATED adj. not halogenated. | 
| RADIOTELEPHONE | • radiotelephone n. A device that allows two-way communication via radio. • radiotelephone v. To communicate via such a device. • radio-telephone n. (Telephony) Alternative spelling of radiotelephone. | 
| RADIOTELEPHONY | • radiotelephony n. The transmission of sound (in both directions) using modulated radio waves rather than wires. • radio␣telephony n. The transmission of speech using modulated radio waves. • RADIOTELEPHONY n. communication by radiotelephone. | 
| SCALENOHEDRONS | • scalenohedrons n. Plural of scalenohedron. • SCALENOHEDRON n. a hemihedral form bounded in the hexagonal system by twelve, in the tetragonal by eight, faces, each a scalene triangle. | 
| SNAGGLETOOTHED | • snaggletoothed adj. Having misaligned, broken, missing or otherwise damaged or disorderly teeth. • snaggle-toothed adj. Alternative spelling of snaggletoothed. • SNAGGLETOOTHED adj. having a snaggletooth, an irregular, broken, or projecting tooth. | 
| TECHNICOLOURED | • technicoloured adj. UK spelling of technicolored. • TECHNICOLOURED adj. in artificially or exaggeratedly bright colours, also TECHNICOLOUR. | 
| VIDEOTELEPHONE | • videotelephone n. A videophone. • VIDEOTELEPHONE n. a telephone with accompanying means of transmitting a picture of each speaker. |