| HETERODACTYLOUS | • heterodactylous adj. (Zoology) Having the first and second toes turned backward, as in the trogons. • HETERODACTYLOUS adj. having the first and second toes turned backwards, as in trogons, and not the first and fourth as in parrots. |
| ICHTHYODORULITE | • ichthyodorulite n. (Zoology) One of the spiny plates found on the back and tail of certain skates. • ichthyodorulite n. (Geology) A fossil fish-spine found in stratified rock. • ICHTHYODORULITE n. a fossilised fish-spine, also ICHTHYODORYLITE. |
| MOTORMOUTHED | • motormouthed adj. (Informal, of a person) Being a motor mouth; inclined to talk too much. |
| OTTERHOUND | • otterhound n. Alternative form of Otterhound. • Otterhound n. A dog of a particular breed of scent hound, originating in Britain. • OTTERHOUND n. a hound used to hunt otters. |
| OTTERHOUNDS | • otterhounds n. Plural of otterhound. • Otterhounds n. Plural of Otterhound. • OTTERHOUND n. a hound used to hunt otters. |
| OUTTHROBBED | • outthrobbed v. Simple past tense and past participle of outthrob. • OUTTHROB v. to surpass in throbbing. |
| OUTWORTHED | • outworthed v. Simple past tense and past participle of outworth. • OUTWORTH v. (Shakespeare) to exceed in worth. |
| PHOTOCONDUCTOR | • photoconductor n. A material, or a device, that exhibits or utilizes photoconductivity. • PHOTOCONDUCTOR n. a photoconductive substance. |
| PHOTOCONDUCTORS | • photoconductors n. Plural of photoconductor. • PHOTOCONDUCTOR n. a photoconductive substance. |
| PHOTOPRODUCT | • photoproduct n. (Chemistry) Any product of a photochemical reaction. • PHOTOPRODUCT n. a product of a photochemical reaction. |
| PHOTOPRODUCTION | • photoproduction n. (Chemistry) The production of a molecular species (e.g. a radical or ion) by means of light. • PHOTOPRODUCTION n. the production of one or more particles by the action of an incident photon. |
| PHOTOPRODUCTS | • photoproducts n. Plural of photoproduct. • PHOTOPRODUCT n. a product of a photochemical reaction. |
| PHOTOREDUCTION | • photoreduction n. (Physics, chemistry) The addition of an electron to a photoexcited species. • photoreduction n. (Chemistry) Any reduction reaction that takes place in the presence of light. • PHOTOREDUCTION n. chemical reduction under the influence of radiant energy, as light. |
| PHOTOREDUCTIONS | • photoreductions n. Plural of photoreduction. • PHOTOREDUCTION n. chemical reduction under the influence of radiant energy, as light. |
| PTERIDOPHYTOUS | • PTERIDOPHYTOUS adj. of or like a pteridophyte, a fern, also PTERIDOPHYTIC. |
| TOOTHBRUSHED | • toothbrushed v. Simple past tense and past participle of toothbrush. |
| ULTRAORTHODOX | • ultraorthodox adj. Very orthodox, chiefly among Jewish sects. • ultra-Orthodox adj. (Of a Jew) Very strictly observant; Haredi; being either Hasidic or Litvish (Misnagdic). • ULTRAORTHODOX adj. extremely orthodox. |
| WITHOUTDOORS | • withoutdoors adv. (Archaic) outdoors. • WITHOUTDOORS adv. outdoors. |