| AEROTROPISMS | • AEROTROPISM n. curvature in response to concentration of oxygen. |
| BAROTRAUMATA | • BAROTRAUMA n. injury sustained from failure to equalize the pressure of an air-containing space with that of the surrounding environment. |
| GASTROTRICHS | • gastrotrichs n. Plural of gastrotrich. • GASTROTRICH n. any minute aquatic multicellular animal of the phylum Gastrotricha. |
| HETEROTROPHS | • heterotrophs n. Plural of heterotroph. • HETEROTROPH n. a secondary feeder eating plants or other animals. |
| HETEROTROPHY | • heterotrophy n. The state of being a heterotroph. • HETEROTROPHY n. the state of being a heterotroph, a secondary feeder eating plants or other animals. |
| HYDROTROPISM | • hydrotropism n. (Biology) The movement of a plant (or other organism) in response to water, either towards or away from water. • HYDROTROPISM n. growth in the direction of water. |
| NECROTROPHIC | • necrotrophic adj. (Biology) Describing a parasite that kills its host, then feeds on the dead matter. • NECROTROPHIC adj. of or like a necrotroph, a parasitic organism that kills the living cells of its host and then feeds on the dead material. |
| NEUROTROPHIC | • neurotrophic adj. Of or relating to neurotrophy. • NEUROTROPHIC adj. relating to the nutrition of the nervous system, or to nutritional changes influenced by the nervous system. |
| PROTRACTEDLY | • protractedly adj. In a protracted manner. • PROTRACTED adv. PROTRACT, to prolong. |
| PROTRACTIBLE | • protractible adj. Able to be protracted or extended. • PROTRACTIBLE adj. able to be thrust out, also PROTRACTILE. |
| PROTRACTIONS | • protractions n. Plural of protraction. • PROTRACTION n. the act of protracting. |
| PROTREPTICAL | • protreptical adj. (Obsolete) Adapted to persuade; hortatory; persuasive. • PROTREPTICAL adj. exhorting or encouraging, also PROTREPTIC. |
| PROTRUSIVELY | • protrusively adv. In a protrusive manner. • PROTRUSIVE adv. thrusting or impelling forward; as, protrusive motion. |
| SAPROTROPHIC | • saprotrophic adj. Of or pertaining to saprotrophs (or saprobes). • SAPROTROPHIC adj. of or like a saprotroph. |
| SYNCHROTRONS | • synchrotrons n. Plural of synchrotron. • SYNCHROTRON n. a type of very high-energy particle accelerator. |
| THYROTROPHIC | • thyrotrophic adj. That stimulates the thyroid gland. • thyrotrophic adj. Of or pertaining to thyrotropism. • THYROTROPHIC adj. exerting or characterized by a direct influence on the secretory activity of the thyroid gland, also THYROTROPIC. |
| THYROTROPHIN | • thyrotrophin n. Alternative form of thyrotropin. • THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN. |
| THYROTROPINS | • thyrotropins n. Plural of thyrotropin. • THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN. |