| HAPTOTROPIC | • haptotropic adj. Of or pertaining to haptotropism; moving when touched. • haptotropic adj. (Chemistry) Describing the movement of clusters of atoms between two ligands or other groups. • HAPTOTROPIC adj. curving in response to touch. |
| OPPORTUNIST | • opportunist n. Someone who takes advantage of any opportunity to advance their own situation, placing expediency above principle. • OPPORTUNIST n. one that is opportunistic or that practices opportunism. |
| OPPORTUNITY | • opportunity n. A chance for advancement, progress or profit. • opportunity n. A favorable circumstance or occasion. • opportunity n. (Nonstandard, Euro-English) opportuneness. |
| PHOTOTROPES | • PHOTOTROPE n. a substance exhibiting phototropism, movement directed by light. |
| PHOTOTROPHS | • phototrophs n. Plural of phototroph. • PHOTOTROPH n. a plant which uses light to generate energy needed to absorb nutrients. |
| PHOTOTROPIC | • phototropic adj. Having a tendency to move in response to light. An animal or microbe that is positively phototropic… • PHOTOTROPIC adj. relating to phototropism, movement directed by light. |
| PITTOSPORUM | • pittosporum n. Any plant of the genus Pittosporum, various Old World shrubs and trees. • Pittosporum prop.n. A taxonomic genus within the family Pittosporaceae – certain of trees called cheesewoods. • PITTOSPORUM n. any of numerous chiefly subtropical evergreen shrubs or small trees. |
| PROPITIATOR | • propitiator n. One who propitiates or appeases. • PROPITIATOR n. one who propitiates. |
| PROTOPATHIC | • protopathic adj. Relating to a sensory nerve that detects the presence of a stimulus without determining its location. • protopathic adj. Relating to first symptoms of a disease, as in the sense of protopathic bias. • PROTOPATHIC adj. pertaining to reception by nerves, etc. of only coarse stimuli such as heat, pain, etc.; pertaining to such nerves. |
| PROTOPHYTES | • protophytes n. Plural of protophyte. • PROTOPHYTE n. any unicellular plant, or plant forming only a plasmodium, having reproduction only by fission, gemmation, or cell division. |
| PROTOPHYTIC | • protophytic adj. Of or relating to the protophytes. • PROTOPHYTIC adj. relating to a protophyte. |
| PROTOPLANET | • protoplanet n. An astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction… • PROTOPLANET n. a planet in its initial state of formation. |
| PROTOPLASTS | • protoplasts n. Plural of protoplast. • PROTOPLAST n. living material within a cell divided into discrete structures; the protein of which cells are composed. |
| PROTOTROPHS | • prototrophs n. Plural of prototroph. • PROTOTROPH n. a bacterium feeding only on inorganic matter. |
| PROTOTROPHY | • prototrophy n. The condition of being a prototroph. • PROTOTROPHY n. the state of being prototrophic. |
| PROTOTYPING | • prototyping n. The rapid creation of prototypes of a new product for demonstration and research purposes. • PROTOTYPE v. to make a prototype. |
| TROPOPHYTES | • tropophytes n. Plural of tropophyte. • TROPOPHYTE n. a plant adapted to alterations of moisture and drought. |
| TROPOPHYTIC | • TROPOPHYTIC adj. of or like a tropophyte, a plant adapted to alterations of moisture and drought. |