| PTARMIGAN | • ptarmigan n. Any of three species of small grouse in the genus Lagopus found in subarctic tundra areas of North America… • PTARMIGAN n. (Gaelic) a game-bird of the grouse family. |
| PTERIDINE | • pteridine n. (Organic chemistry) A bicyclic aromatic heterocycle consisting of fused pyrimidine and pyrazine rings. • PTERIDINE n. any member of a genus of ferns that includes bracken. |
| PTEROPODS | • pteropods n. Plural of pteropod. • PTEROPOD n. a small swimming mollusc, often shell-less. |
| PTEROSAUR | • pterosaur n. Any of several flying reptiles, of the extinct order Pterosauria, including the pterodactyls. • PTEROSAUR n. a pterodactyl, also PTEROSAURIAN. |
| PTERYGIAL | • pterygial adj. (Anatomy) Of or pertaining to the pterygium. • PTERYGIAL adj. of or relating to a wing or fin. • PTERYGIAL n. a bone in a fin. |
| PTERYGIUM | • pterygium n. (Pathology) An abnormal mass of tissue in the corner of the eye that obstructs vision. • pterygium n. (Zoology) A generalized limb of a vertebrate. • PTERYGIUM n. a growth over the cornea. |
| PTERYGOID | • pterygoid adj. (Anatomy) Of, pertaining to or lying in the region of the inferior part of the sphenoid bone of the vertebrate skull. • pterygoid n. (Anatomy) A pterygoid part (such as a bone, muscle, or nerve). • PTERYGOID adj. winglike. |
| PTOMAINES | • ptomaines n. Plural of ptomaine. • PTOMAINE n. a compound produced by the decomposition of protein, also PTOMAIN. |
| PTOMAINIC | • PTOMAINIC adj. of or like ptomaine, a poisonous alkaloid found in decaying matter. |
| PTYALISED | • ptyalised v. Simple past tense and past participle of ptyalise. • PTYALISE v. to induce ptyalism in, also PTYALIZE. |
| PTYALISES | • ptyalises v. Third-person singular simple present indicative form of ptyalise. • PTYALISE v. to induce ptyalism in, also PTYALIZE. |
| PTYALISMS | • ptyalisms n. Plural of ptyalism. • PTYALISM n. an excessive flow of saliva. |
| PTYALIZED | • ptyalized v. Simple past tense and past participle of ptyalize. • PTYALIZE v. to induce ptyalism in, also PTYALISE. |
| PTYALIZES | • ptyalizes v. Third-person singular simple present indicative form of ptyalize. • PTYALIZE v. to induce ptyalism in, also PTYALISE. |