| ANTIARRHYTHMICS | • antiarrhythmics n. Plural of antiarrhythmic. • ANTIARRHYTHMIC n. a drug to prevent cardiac arrhythmia. |
| ARCHEOASTRONOMY | • archeoastronomy n. Alternative spelling of archaeastronomy. • ARCHEOASTRONOMY n. the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations. |
| CRYPTORCHIDISMS | • cryptorchidisms n. Plural of cryptorchidism. • CRYPTORCHIDISM n. the condition in which one or both testes do not descend normally, also CRYPTORCHISM. |
| ECTOMYCORRHIZAS | • ectomycorrhizas n. Plural of ectomycorrhiza. • ECTOMYCORRHIZA n. a type of mycorrhiza in which the fungus forms a layer on the outside of the roots of the plant. |
| HYPERCRITICISMS | • hypercriticisms n. Plural of hypercriticism. • HYPERCRITICISM n. an instance of being hypercritical. |
| HYPERMODERNISTS | • hypermodernists n. Plural of hypermodernist. • HYPERMODERNIST n. a practitioner of a hypermodernist style in art. |
| HYPERNATRAEMIAS | • hypernatraemias n. Plural of hypernatraemia. • HYPERNATRAEMIA n. an abnormally high concentration of sodium chloride (salt) in the blood, esp. in infants. |
| HYPERPARASITISM | • hyperparasitism n. (Biology) parasitism by one parasite upon another. • HYPERPARASITISM n. the state of being a hyperparasite, a parasite that is parasitic upon another parasite. |
| HYPERTHYROIDISM | • hyperthyroidism n. (Medicine) The excessive production of hormones by the thyroid. • hyperthyroidism n. (Pathology) The pathological condition resulting from these excess hormones. • HYPERTHYROIDISM n. excessive functional activity of the thyroid gland. |
| HYSTRICOMORPHIC | • HYSTRICOMORPHIC adj. belonging to the rodent suborder Hystricomorpha, which includes porcupines, cavies, agoutis, and chinchillas. |
| METHYLMERCURIES | • methylmercuries n. Plural of methylmercury. • methyl␣mercuries n. Plural of methyl mercury. • METHYLMERCURY n. any of several extremely toxic organometallic compounds formed from metallic mercury by the action of microorganisms. |
| PSYCHROMETRICAL | • psychrometrical adj. Psychrometric. • PSYCHROMETRICAL adj. relating to measurement by psychrometer, also PSYCHOMETRIC, PSYCHOMETRICAL, PSYCHROMETRIC. |
| PYROPHOTOMETERS | • PYROPHOTOMETER n. a type of pyrometer in which the temperature of an incandescent body is determined by photometric measurement of the light it emits. |
| STEREOCHEMISTRY | • stereochemistry n. (Chemistry, uncountable) the branch of chemistry that involves the spatial arrangement of the atoms… • stereochemistry n. (Chemistry, countable) the effect of such spatial arrangement on the chemistry of a particular compound. • STEREOCHEMISTRY n. chemical study of arrangement of molecules and atoms. |
| 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. |