| ORNITHICHNITE | • ornithichnite n. (Paleontology) A fossilised footprint left by a bird. • ORNITHICHNITE n. a fossil footprint of a bird. |
| ORNITHISCHIAN | • ornithischian n. Any of a group of dinosaurs, of the order Ornithischia, that have hips characteristic of birds. • ORNITHISCHIAN n. any of an order of herbivorous dinosaurs. |
| DIPHTHONGISING | • diphthongising v. Present participle of diphthongise. • DIPHTHONGISE v. to make into a diphthong, also DIPHTHONGIZE. |
| DIPHTHONGIZING | • diphthongizing v. Present participle of diphthongize. • DIPHTHONGIZE v. to make into a diphthong, also DIPHTHONGISE. |
| ORNITHICHNITES | • ornithichnites n. Plural of ornithichnite. • ORNITHICHNITE n. a fossil footprint of a bird. |
| ORNITHISCHIANS | • ornithischians n. Plural of ornithischian. • ORNITHISCHIAN n. any of an order of herbivorous dinosaurs. |
| ORNITHOPHILIES | • ORNITHOPHILY n. pollination by birds. |
| PHILOSOPHISING | • philosophising v. Present participle of philosophise. • philosophising n. Alternative form of philosophizing. • PHILOSOPHISING n. the act of engaging in philosophy. |
| PHILOSOPHIZING | • philosophizing v. Present participle of philosophize. • philosophizing n. Philosophical thought or discussion. • PHILOSOPHIZING n. the act of engaging in philosophy. |
| PHOTOFINISHING | • photofinishing n. (Photography) The commercial developing and printing of photographs. • photo␣finishing n. All commercial aspects of the processing of photographs apart from simple developing and printing. • PHOTOFINISHING n. the development and printing of photographic film commercially. |
| HIERARCHIZATION | • hierarchization n. The act or result of hierarchizing; the establishment of a hierarchy. |
| PHILOSOPHISINGS | • philosophisings n. Plural of philosophising. • PHILOSOPHISING n. the act of engaging in philosophy. |
| PHILOSOPHIZINGS | • philosophizings n. Plural of philosophizing. • PHILOSOPHIZING n. the act of engaging in philosophy. |
| PHOTOFINISHINGS | • PHOTOFINISHING n. the development and printing of photographic film commercially. |