| ARCHGENETHLIACS | • ARCHGENETHLIAC n. (Browning) in derogatory sense, the greatest of genethliacs or astrologers. |
| CHANNELOPATHIES | • channelopathies n. Plural of channelopathy. |
| CHLOROETHYLENES | • chloroethylenes n. Plural of chloroethylene. • CHLOROETHYLENE n. vinyl chloride. |
| DICHLOROETHANES | • dichloroethanes n. Plural of dichloroethane. • DICHLOROETHANE n. a colorless toxic liquid compound that is used chiefly as a solvent. |
| ENCEPHALOGRAPHS | • encephalographs n. Plural of encephalograph. • ENCEPHALOGRAPH n. an instrument for recording brain images. |
| HALFHEARTEDNESS | • halfheartedness n. The characteristic of being halfhearted. • half-heartedness n. Alternative form of halfheartedness. • HALFHEARTED n. lacking heart, spirit, or interest. |
| HEALTHFULNESSES | • HEALTHFULNESS n. the state of being healthful. |
| HELMINTHOLOGIES | • HELMINTHOLOGY n. the study of parasitic worms. |
| 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. |
| PHENETHYLAMINES | • phenethylamines n. Plural of phenethylamine. |
| PHENYLTHIOUREAS | • phenylthioureas n. Plural of phenylthiourea. • PHENYLTHIOUREA n. a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene). |
| RHINENCEPHALONS | • RHINENCEPHALON n. the olfactory lobe of the brain. |
| SULPHONMETHANES | • SULPHONMETHANE n. a colourless crystalline compound used medicinally as a hypnotic, also SULFONMETHANE. |
| 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. |
| 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. |
| UNHEALTHFULNESS | • unhealthfulness n. The state or quality of being unhealthful. • UNHEALTHFULNESS n. the state of being unhealthful. |
| UNHEALTHINESSES | • unhealthinesses n. Plural of unhealthiness. • UNHEALTHINESS n. the state of being unhealthy. |