| CHROMOPHORIC | • chromophoric adj. (Chemistry) Of or relating to a chromophore. • chromophoric adj. (Biology) Coloured. • CHROMOPHORIC adj. of or like a chromophore, the group of atoms in a chemical compound responsible for its colour, also CHROMOPHOROUS. |
| MORPHOTROPIC | • morphotropic adj. (Crystallography) Of or pertaining to morphotropism. • morphotropic adj. Describing a phase transition due to a change in composition. • morphotropic adj. Describing the phase boundary between tetragonal and rhombohedral regions of a ferroelectric. |
| ORNITHOMORPH | • ornithomorph n. A figure in ancient art resembling a bird. • ORNITHOMORPH n. a figure or design in the form of a bird. |
| ORTHODROMICS | • orthodromics n. Orthodromic navigation. • ORTHODROMICS n. the act or art of sailing on a great circle, also ORTHODROMY. |
| ORTHODROMIES | • ORTHODROMY n. the act or art of sailing on a great circle, also ORTHODROMICS. |
| ORTHOMORPHIC | • orthomorphic adj. (Cartography) conformal. • ORTHOMORPHIC adj. of a map projection, maintaining true shape over a small area and scale in every direction. |
| ORTHOPTEROID | • orthopteroid n. (Entomology) Any of the insects historically included in the order Orthoptera, including the cockroaches… • ORTHOPTEROID n. a member of the Orthoptera, cockroaches. |
| ORTHORHOMBIC | • orthorhombic adj. (Crystallography) Having three unequal axes at right angles. • ORTHORHOMBIC adj. three mutually perpendicular axes of different lengths. |
| ORTHOTROPIES | • ORTHOTROPY n. the state of being orthotropic, growing along a vertical axis. |
| ORTHOTROPISM | • orthotropism n. The property of being orthotropic or orthotropous. • ORTHOTROPISM n. vertical growth. |
| OVERHONORING | • OVERHONOR v. to honor too highly, also OVERHONOUR. |
| PROTOHISTORY | • protohistory n. The period between prehistory and history, during which a culture or civilization has not yet developed… • PROTOHISTORY n. the study of human beings in the times that immediately antedate recorded history. |
| PROTOMORPHIC | • protomorphic adj. (Biology) Having the most primitive character; in the earliest form. • PROTOMORPHIC adj. primordial; primitive. |
| PROTOTROPHIC | • prototrophic adj. (Biology) Of or pertaining to a prototroph or to prototrophy. • PROTOTROPHIC adj. of bacteria, feeding directly on uncombined elements. |
| TRAITORHOODS | • TRAITORHOOD n. the state of being a traitor. |
| TROPHOTROPIC | • trophotropic adj. Relating to trophotropy. • TROPHOTROPIC adj. related to trophotropism, direction of growth by nutritional factors. |