| CHLOROETHYLENES | • chloroethylenes n. Plural of chloroethylene. • CHLOROETHYLENE n. vinyl chloride. |
| HALFHEARTEDNESS | • halfheartedness n. The characteristic of being halfhearted. • half-heartedness n. Alternative form of halfheartedness. • HALFHEARTED n. lacking heart, spirit, or interest. |
| HARDHEARTEDNESS | • hardheartedness n. (Uncountable) The state of being hardhearted. • hardheartedness n. (Countable) A hardhearted thought or act. • hard-heartedness n. Alternative form of hardheartedness. |
| HEALTHFULNESSES | • HEALTHFULNESS n. the state of being healthful. |
| HERESTHETICIANS | • HERESTHETICIAN n. one who practises heresthetics. |
| HEXACHLORETHANE | • hexachlorethane n. Alternative form of hexachloroethane. • HEXACHLORETHANE n. a toxic crystalline compound used in smoke bombs. |
| HOTHEADEDNESSES | • HOTHEADEDNESS n. HOTHEADED, rash, impetuous. |
| 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. |
| PERCHLOROETHENE | • PERCHLOROETHENE n. a chlorine-carbon compound widely used for the dry cleaning of fabrics. |
| PHENETHYLAMINES | • phenethylamines n. Plural of phenethylamine. |
| THICKHEADEDNESS | • thickheadedness n. Stupidity. • THICKHEADEDNESS n. the state of being thickheaded. |
| 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. |
| UNHEALTHINESSES | • unhealthinesses n. Plural of unhealthiness. • UNHEALTHINESS n. the state of being unhealthy. |