| CEPHALOMETRIC | • cephalometric adj. Relating to cephalometrics. • CEPHALOMETRIC adj. relating to cephalometry. |
| CHALCOPYRITES | • chalcopyrites n. Plural of chalcopyrite. • CHALCOPYRITE n. copper pyrites, a yellow double sulphide of copper and iron. |
| HEPTADECANOIC | • heptadecanoic adj. Of or pertaining to heptadecanoic acid or its derivatives; margaric. • HEPTADECANOIC adj. as in heptadecanoic acid, a saturated fatty acid, aka margaric acid. |
| LEPTOCEPHALIC | • leptocephalic adj. (Zoology) Having a narrow skull, as certain flatfishes do. • LEPTOCEPHALIC adj. having a narrow skull, also LEPTOCEPHALOUS. |
| ORTHOCEPHALIC | • orthocephalic adj. Normocephalic. • ORTHOCEPHALIC adj. having a skull whose breadth is between 70 and 75 per cent of its length, also ORTHOCEPHALOUS. |
| PANTECHNICONS | • pantechnicons n. Plural of pantechnicon. • PANTECHNICON n. a usually enclosed wagon or motortruck used for transportation of goods or animals. |
| PETROCHEMICAL | • petrochemical n. (Chemistry) Any compound derived from petroleum or natural gas. • petrochemical adj. Of or pertaining to the such compounds, or the industry that produces them. • PETROCHEMICAL adj. of or relating to chemicals obtained from petroleum. |
| PHALLOCENTRIC | • phallocentric adj. Focused on the phallus, especially as a symbol of male dominance; characterised by male attitudes, focused on men. • PHALLOCENTRIC adj. centered on or emphasizing the masculine point of view. |
| PHOTOCHEMICAL | • photochemical adj. (Chemistry) of, relating to, or produced by photochemistry or by photochemical reactions. • photochemical n. Any chemical compound (such as silver halides) used in photography. • PHOTOCHEMICAL adj. of, relating to, or resulting from the chemical action of radiant energy and esp. light. |
| PHYTOCHEMICAL | • phytochemical adj. Pertaining to the chemistry of plants. • phytochemical n. Any chemical substance characteristic of plants. • phytochemical n. Any chemical or nutrient derived from a plant source; a phytonutrient. |
| PLECTOGNATHIC | • plectognathic adj. (Zoology) Of or relating to the plectognaths. • PLECTOGNATHIC adj. belonging to an order of bony fishes including filefishes, also PLECTOGNATHOUS. |
| POLYTECHNICAL | • polytechnical adj. Polytechnic. • polytechnical n. Polytechnic (educational institute). • POLYTECHNICAL adj. of or like a polytechnic. |
| PTOCHOCRACIES | • ptochocracies n. Plural of ptochocracy. • PTOCHOCRACY n. government by the poor. |
| PYROCATECHINS | • pyrocatechins n. Plural of pyrocatechin. • PYROCATECHIN n. another name for catechol, also PYROCATECHOL. |
| PYROCATECHOLS | • pyrocatechols n. Plural of pyrocatechol. • PYROCATECHOL n. another name for catechol, also PYROCATECHIN. |
| PYROTECHNICAL | • pyrotechnical adj. Of or pertaining to pyrotechnics. • pyrotechnical adj. Resembling fireworks. • PYROTECHNICAL adj. relating to pyrotechnics, the art of making fireworks, also PYROTECHNIC. |
| TACHISTOSCOPE | • tachistoscope n. A device that displays a series of brief images; used by psychologists to investigate perception, memory and learning. • TACHISTOSCOPE n. an instrument for rapidly showing images on a screen to test perception. |
| THORACOSCOPES | • thoracoscopes n. Plural of thoracoscope. • THORACOSCOPE n. an instrument for viewing the thorax and chest wall. |