| CHLOROETHENE | • chloroethene n. (Organic chemistry) vinyl chloride, or any other chlorinated derivative of ethene. • CHLOROETHENE n. ethyl chloride. |
| EIGHTEENTHLY | • eighteenthly adv. In the eighteenth place; eighteenth in a row. • EIGHTEENTH adv. number eighteen in sequence. |
| HEATHENISHLY | • heathenishly adv. In the manner of heathens. • HEATHENISH adv. resembling or characteristic of heathens. |
| HELIANTHEMUM | • helianthemum n. (Botany) Any of the genus Helianthemum of rockroses. • HELIANTHEMUM n. a garden flower with papery yellow or orange flowers, aka rockrose. |
| HELIANTHUSES | • helianthuses n. Plural of helianthus. • HELIANTHUS n. any plant of the genus Helianthus, such as the sunflower and Jerusalem artichoke. |
| METHYLPHENOL | • METHYLPHENOL n. a type of aromatic organic compound, aka cresol. |
| NAPHTHALENES | • naphthalenes n. Plural of naphthalene. • NAPHTHALENE n. a crystalline aromatic hydrocarbon usually obtained by distillation of coal tar. |
| NYCHTHEMERAL | • nychthemeral adj. Lasting a nychthemeron (24 hours). • NYCHTHEMERAL adj. (Greek) of or relating to a nychthemeron or 24-hour period. |
| PHENYLMETHYL | • phenylmethyl n. (Organic chemistry) Benzyl: the cyclic radical, ion or functional group having the formula C6H5CH2. • PHENYLMETHYL n. an ester of benzene, aka benzyl. |
| TECHNOPHILES | • technophiles n. Plural of technophile. • TECHNOPHILE n. an enthusiast of technology. |
| THEOPHYLLINE | • theophylline n. (Organic chemistry, pharmacology) A bitter crystalline compound present in small quantities in tea leaves… • THEOPHYLLINE n. an isomer of theobromine found in tea, used in medicine. |
| THERMOHALINE | • thermohaline adj. Of, or relating to a combination of temperature and salinity. • thermohaline n. Thermohaline circulation. • THERMOHALINE adj. involving both temperature and salinity. |
| THIRTEENTHLY | • thirteenthly adv. In the thirteenth place; thirteenth in a row. • THIRTEENTH adv. number thirteen in sequence. |
| UNHEALTHIEST | • unhealthiest adj. Superlative form of unhealthy: most unhealthy. • UNHEALTHY adj. not healthy. |