| CHORDOTOMY | • chordotomy n. (Surgery) Alternative spelling of cordotomy. • CHORDOTOMY n. the surgical division of a bundle of nerve fibres in the spinal cord, also CORDOTOMY. |
| CHOREOLOGY | • choreology n. The study of the aesthetic and science of forms of dance and other human movement, by means of notation. • CHOREOLOGY n. the study of ballets and their history. |
| CHRONOLOGY | • chronology n. (Uncountable) The science of determining the order in which events occurred. • chronology n. (Countable) An arrangement of events into chronological order; called a timeline when involving graphical elements. • CHRONOLOGY n. the science that deals with measuring time by regular divisions and that assigns to events their proper dates. |
| HEORTOLOGY | • heortology n. The study of religious festivals. • HEORTOLOGY n. the study of religious feasts. |
| HOMOCHROMY | • homochromy n. (Zoology) The use, by an organism, of the same colour as its background as a means of protection. • HOMOCHROMY n. protective coloration. |
| HOMOEOMERY | • homoeomery n. Alternative form of homoeomeria. • homœomery n. Archaic form of homoeomeria. • HOMOEOMERY n. the state of being homoeomeric, having all the somites alike, also HOMEOMERY. |
| HOMOMORPHY | • homomorphy n. (Biology) similarity of form; resemblance in external character or in geometric ground form. • HOMOMORPHY n. similarity in form, as of the flowers of a plant, also HOMEOMORPHY. |
| MONOCHROMY | • monochromy n. (Dated) The art of painting or drawing in monochrome. • MONOCHROMY n. the art of painting or drawing in monochrome. |
| MORPHOLOGY | • morphology n. (Uncountable) A scientific study of form and structure, usually without regard to function. Especially… • morphology n. (Countable) The form and structure of something. • morphology n. (Countable) A description of the form and structure of something. |
| ORTHODOXLY | • orthodoxly adv. In a correct or proper way; conventionally; correctly. • orthodoxly adv. In a religiously orthodox way; in accordance with accepted religious doctrine. • ORTHODOX adv. sound in doctrine. |
| ORTHODROMY | • orthodromy n. The act or art of sailing on a great circle. • ORTHODROMY n. the act or art of sailing on a great circle, also ORTHODROMICS. |
| ORTHOTROPY | • orthotropy n. The condition of being orthotropic. • ORTHOTROPY n. the state of being orthotropic, growing along a vertical axis. |
| PHOTOTROPY | • phototropy n. Phototropism. • PHOTOTROPY n. change of colour due to wavelength of incident light. |
| TROPHOLOGY | • trophology n. (Dated) The science of nutrition. • trophology n. A nutritional approach that advocates specific combinations of foods as central to good health and weight loss. • TROPHOLOGY n. the study of nutrition. |