| HETEROTHALLISMS | • heterothallisms n. Plural of heterothallism. • HETEROTHALLISM n. the state of being heterothallic, also HETEROTHALLY. |
| METHYLPHENIDATE | • methylphenidate n. (Medicine) A stimulant used to treat attention deficit hyperactivity disorder and narcolepsy, better… • METHYLPHENIDATE n. a stimulant used in treating attention deficit disorder. |
| METHYLTHIONINES | • METHYLTHIONINE n. as in methylthionine chloride, a dark green dye used as a stain, antiseptic etc. |
| METHYLXANTHINES | • methylxanthines n. Plural of methylxanthine. • METHYLXANTHINE n. a methylated xanthine derivative, such as caffeine, theobromine, or theophylline. |
| NEMATHELMINTHIC | • NEMATHELMINTHIC adj. of or like a nemathelminth, a member of the Nemathelminthes, a phylum of worms including nematodes. |
| OPHTHALMOMETERS | • ophthalmometers n. Plural of ophthalmometer. • OPHTHALMOMETER n. an instrument for measuring the eye. |
| PHOTOTELEGRAPHS | • phototelegraphs n. Plural of phototelegraph. • PHOTOTELEGRAPH n. an instrument for transmitting drawings telegraphically. |
| PHOTOTELEGRAPHY | • phototelegraphy n. The fax system. • PHOTOTELEGRAPHY n. the transmission of drawings by phototelegraph. |
| TELEPHOTOGRAPHS | • telephotographs n. Plural of telephotograph. • TELEPHOTOGRAPH n. a photograph of a distant object taken by a suitable lens. |
| TELEPHOTOGRAPHY | • telephotography n. (Photography) Photography of distant subjects using a telephoto lens. • telephotography n. (Dated) The transmission of images over a distance, especially by facsimile. • TELEPHOTOGRAPHY n. the photography of distant objects (as by a camera provided with a telephoto lens). |
| THOUGHTLESSNESS | • thoughtlessness n. Disregard for other’s feelings. • thoughtlessness n. Heedless disregard for the consequences of one’s actions. • THOUGHTLESSNESS n. the state of being thoughtless. |
| TRICHLOROETHANE | • trichloroethane n. (Organic chemistry) Either of two isomeric halogenated hydrocarbons, CH3-CCl3 or CH2Cl-CHCl2, that are… • trichloroethane n. (Organic chemistry) Any of many derivatives of these compounds. • TRICHLOROETHANE n. a volatile nonflammable colourless liquid with low toxicity used for cleaning electrical apparatus and as a solvent. |
| TRIHALOMETHANES | • trihalomethanes n. Plural of trihalomethane. • TRIHALOMETHANE n. any of various derivatives of methane such as chloroform, that have three halogen atoms per molecule and are formed esp. during the chlorination of drinking water. |