| EARTHSHATTERING | • earthshattering adj. Earthshaking. • earth-shattering adj. Alternative spelling of earthshattering. • EARTHSHATTERING adj. of great importance or consequence. |
| HERESTHETICIANS | • HERESTHETICIAN n. one who practises heresthetics. |
| HETEROCHROMATIN | • heterochromatin n. (Cytology) Heterochromatic tightly coiled chromosome material; believed to be genetically inactive. • HETEROCHROMATIN n. densely staining chromatin that appears as nodules in or along chromosomes and contains relatively few genes. |
| METHAMPHETAMINE | • methamphetamine n. A highly addictive phenethylamine stimulant drug, similar to cocaine. Its systematic (IUPAC) name is… • METHAMPHETAMINE n. a methyl derivative of amphetamine with similar but longer lasting effects, now seldom used in medicine but widespread as a drug of abuse. |
| 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. |
| PHOTOSYNTHESISE | • photosynthesise v. Alternative spelling of photosynthesize. • PHOTOSYNTHESISE v. to carry out photosynthesis. |
| PHOTOSYNTHESIZE | • photosynthesize v. To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis. • PHOTOSYNTHESIZE v. to carry out photosynthesis, also PHOTOSYNTHESISE. |
| 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. |
| THREEPENCEWORTH | • THREEPENCEWORTH n. goods to the value of threepence, also THREEPENNYWORTH. |
| THREEPENNYWORTH | • threepennyworth n. (Dated) A portion worth threepence. • THREEPENNYWORTH n. goods to the value of threepence, also THREEPENCEWORTH. |
| 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. |