| CHLOROETHYLENES | • chloroethylenes n. Plural of chloroethylene. • CHLOROETHYLENE n. vinyl chloride. |
| HALFPENNYWORTHS | • halfpennyworths n. Plural of halfpennyworth. • HALFPENNYWORTH n. as much as is sold for a halfpenny or is worth a halfpenny. |
| HEMATOPORPHYRIN | • hematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom). • HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins. |
| HYPNOTHERAPISTS | • hypnotherapists n. Plural of hypnotherapist. • HYPNOTHERAPIST n. one who practises hypnotherapy. |
| LYMPHADENOPATHY | • lymphadenopathy n. (Medicine) An abnormal enlargement of the lymph nodes; it is often a nonspecific sign of infection but… • LYMPHADENOPATHY n. abnormal enlargement of the lymph nodes. |
| METHYLTHIONINES | • METHYLTHIONINE n. as in methylthionine chloride, a dark green dye used as a stain, antiseptic etc. |
| 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). |
| 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. |
| PHTHALOCYANINES | • phthalocyanines n. Plural of phthalocyanine. • PHTHALOCYANINE n. any of a group of green and blue organic colouring matters of great fastness and brilliance, also PHTHALOCYANIN. |
| PHYTOPATHOGENIC | • phytopathogenic adj. Pathogenic to plants. • PHYTOPATHOGENIC adj. of or like a phytopathogen. |
| PSYCHOSYNTHESES | • psychosyntheses n. Plural of psychosynthesis. • PSYCHOSYNTHESIS n. a form of psychotherapy combining psychoanalytic techniques with meditation and exercise. |
| PSYCHOSYNTHESIS | • psychosynthesis n. A form of psychology based on the direct experience of the self. • PSYCHOSYNTHESIS n. a form of psychotherapy combining psychoanalytic techniques with meditation and exercise. |
| THIRTYSOMETHING | • thirtysomething n. A tricenarian: a person in their thirties, a person aged between 30 and 39 years (inclusive). • thirtysomething adj. Between 30 and 39 years of age. • thirtysomething adj. Between 30 and 39 in number. |
| THREEPENNYWORTH | • threepennyworth n. (Dated) A portion worth threepence. • THREEPENNYWORTH n. goods to the value of threepence, also THREEPENCEWORTH. |