| BIORHYTHMICS | • biorhythmics n. The study of biorhythms. • BIORHYTHMICS n. the study of biorhythms. |
| CHRESTOMATHY | • chrestomathy n. A collection of written passages, used to learn an unfamiliar language. • chrestomathy n. A collection of choice passages from an author or authors. • CHRESTOMATHY n. a selection of passages compiled as an aid to learning a language; a volume of selected passages or stories of an author. |
| CHRISTOPHANY | • Christophany n. An appearance of Christ, as for example to his disciples after the crucifixion. • CHRISTOPHANY n. an appearance of Christ to men. |
| CHRYSOPHYTES | • chrysophytes n. Plural of chrysophyte. • CHRYSOPHYTE n. a type of golden-brown alga. |
| ETHNOHISTORY | • ethnohistory n. The history of an indigenous people. • ETHNOHISTORY n. a study of the development of cultures. |
| HYDROPATHICS | • hydropathics n. Plural of hydropathic. • HYDROPATHIC n. a hotel (with special baths, etc., and often situated near a spa) where guests can have hydropathic treatment. |
| HYDROPATHIES | • hydropathies n. Plural of hydropathy. • HYDROPATHY n. the study of treating diseases with water. |
| HYDROPATHIST | • hydropathist n. An expert in hydropathy. • HYDROPATHIST n. one who treats with hydropathy. |
| HYDROPHYTONS | • HYDROPHYTON n. the coenosarc of a hydroid colony. |
| HYDROPHYTOUS | • hydrophytous adj. Relating to hydrophytes. • hydrophytous adj. Relating to hydrophytons. • HYDROPHYTOUS adj. like a hydrophyte, also HYDROPHYTIC. |
| HYGROCHASTIC | • HYGROCHASTIC adj. showing hygrochasy, dehiscence on moistening. |
| HYPOSTROPHES | • hypostrophes n. Plural of hypostrophe. • HYPOSTROPHE n. a return to the primary argument after digression. |
| HYPOTHERMIAS | • hypothermias n. Plural of hypothermia. • HYPOTHERMIA n. subnormal temperature of the body. |
| HYPOTHESISER | • hypothesiser n. Alternative form of hypothesizer. • HYPOTHESISER n. one who hypothesises, also HYPOTHESIZER. |
| HYPOTHESIZER | • hypothesizer n. A person who hypothesizes. • hypothesizer n. (Computing) Any of several systems that attempt to make educated guesses from incomplete information. • HYPOTHESIZER n. one who hypothesizes, also HYPOTHESISER. |
| HYPOTHYROIDS | • HYPOTHYROID n. someone suffering from hypothyroidism. |
| ICHTHYOSAURI | • ichthyosauri n. Plural of ichthyosaur. • ICHTHYOSAURUS n. a large fossil marine reptile, also ICHTHYOSAUR, ICHTHYOSAURIAN. |
| ICHTHYOSAURS | • ichthyosaurs n. Plural of ichthyosaur. • ICHTHYOSAUR n. a large fossil marine reptile, also ICHTHYOSAURIAN, ICHTHYOSAURUS. |
| PHYTOCHROMES | • phytochromes n. Plural of phytochrome. • PHYTOCHROME n. a plant pigment which absorbs red or infrared rays and acts as an enzyme controlling growth. |