| HYDROTROPIC | • hydrotropic adj. (Biology) exhibiting hydrotropism. • HYDROTROPIC adj. exhibiting hydrotropism, i.e. growth in the direction of water. |
| ORNITHOPTER | • ornithopter n. An aircraft that generates lift through the flapping of its wings. • ORNITHOPTER n. a birdlike archaic flying machine. |
| ORTHOPHYRIC | • orthophyric adj. Relating to or composed of orthophyre. • ORTHOPHYRIC adj. relating to orthophyre, a fine-grained syenitic rock with orthoclase crystals. |
| ORTHOPRAXIS | • orthopraxis n. Orthopraxy. • ORTHOPRAXIS n. correct practice in religion. |
| ORTHOPRISMS | • ORTHOPRISM n. in monoclinic crystals, a form consisting of two faces parallel to the orthodiagonal. |
| ORTHOTROPIC | • orthotropic adj. (Botany) Growing vertically, either upwards or downwards. • orthotropic adj. (Engineering) Having material properties that differ along three mutually orthogonal twofold axes of… • ORTHOTROPIC adj. growing along a vertical axis. |
| PROCTORSHIP | • proctorship n. The post or office of proctor. • PROCTORSHIP n. the office of proctor. |
| PROHIBITORS | • prohibitors n. Plural of prohibitor. • PROHIBITOR n. one who prohibits, also PROHIBITER. |
| PROHIBITORY | • prohibitory adj. That serves to prohibit or forbid. • PROHIBITORY adj. serving to prohibit. |
| PROTHORACIC | • prothoracic adj. Of or pertaining to the prothorax. • PROTHORACIC adj. of or relating to the prothorax. |
| PROTHROMBIN | • prothrombin n. (Biochemistry) A glycoprotein, produced in the liver, that is converted into thrombin during bleeding… • PROTHROMBIN n. a protein-like substance present in blood plasma. |
| RHEOTROPISM | • rheotropism n. (Biology) movement stimulated by a current of water. • RHEOTROPISM n. the direction of growth by water. |
| THERIOMORPH | • THERIOMORPH n. an animal form in art. |
| THYROTROPIC | • thyrotropic adj. Able to stimulate the action of the thyroid gland. • THYROTROPIC adj. exerting or characterized by a direct influence on the secretory activity of the thyroid gland, also THYROTROPHIC. |
| THYROTROPIN | • thyrotropin n. (Biochemistry) A thyroid-stimulating glycoprotein hormone secreted by the pituitary gland. • THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN. |
| TORSIOGRAPH | • torsiograph n. An instrument for measuring the torsion of the crankshaft of an engine. • TORSIOGRAPH n. an instrument for recording torsional vibrations on an object. |
| TRIMORPHOUS | • trimorphous adj. Trimorphic; having, or relating to, three forms. • TRIMORPHOUS adj. having three forms, also TRIMORPHIC. |