| ASTROPHOTOGRAPH | • astrophotograph n. Alternative form of astrophoto. • ASTROPHOTOGRAPH n. a photograph of a celestial body. |
| FARTHINGSWORTHS | • farthingsworths n. Plural of farthingsworth. • FARTHINGSWORTH n. as much as a farthing will buy. |
| HETEROCHROMATIC | • heterochromatic adj. Having more than one colour; relating to heterochromia. • heterochromatic adj. Of light, having more than one wavelength. • heterochromatic adj. Of or relating to heterochromatin. |
| 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. |
| HETEROSTROPHIES | • HETEROSTROPHY n. the state of being heterostrophic, consisting of unequal strophes. |
| HYDROTHERAPISTS | • hydrotherapists n. Plural of hydrotherapist. • HYDROTHERAPIST n. a practitioner of hydrotherapy. |
| HYETOMETROGRAPH | • HYETOMETROGRAPH n. an instrument for recording rainfall. |
| ORTHOCHROMATISM | • orthochromatism n. Quality of being orthochromatic. • ORTHOCHROMATISM n. the state of being orthochromatic, of photographic film, sensitive to all colours except red. |
| ORTHOPSYCHIATRY | • orthopsychiatry n. (Psychiatry) branch of psychiatry concerned with the prevention of mental illness, especially in the young. • ORTHOPSYCHIATRY n. preventive psychiatry for young people. |
| THERIANTHROPISM | • therianthropism n. The representation of deities in combined human and animal form. • THERIANTHROPISM n. the representation or worship of therianthropic forms or gods. |
| THERMOCHEMISTRY | • thermochemistry n. (Chemistry, physics) The study of the thermodynamics of chemical reactions. • THERMOCHEMISTRY n. a branch of chemistry that deals with the interrelation of heat with chemical reaction or physical change of state. |
| THERMOTHERAPIES | • thermotherapies n. Plural of thermotherapy. • THERMOTHERAPY n. the treatment of a part of the body by heat. |
| 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. |