| LOPHOPHORES | • lophophores n. Plural of lophophore. • LOPHOPHORE n. a ring of ciliated tentacles round the mouth of some sedentary marine animals. |
| MORPHOTROPY | • MORPHOTROPY n. the effect on crystalline form of the addition or substitution of an element or radical. |
| OPHIOMORPHS | • OPHIOMORPH n. a caecilian amphibian. |
| PHONOPHORES | • phonophores n. Plural of phonophore. • PHONOPHORE n. a sound-conducting apparatus, of various kinds; a device for telephoning and telegraphing simultaneously by the same wire. |
| PHOSPHOROUS | • phosphorous adj. (Chemistry) Of or pertaining to phosphorus. • phosphorous adj. Resembling phosphorus. • phosphorous adj. (Chemistry) Of relating to or containing trivalent phosphorus. |
| PHOTOCOPIER | • photocopier n. A machine which reproduces documents by photographing the original over a glass plate and printing duplicates. • PHOTOCOPIER n. a machine for copying. |
| PHOTOPERIOD | • photoperiod n. (Biology) The normal duration of natural daylight experienced by an organism; daylength. • PHOTOPERIOD n. the period during every 24 hours when an organism is exposed to daylight. |
| PHOTOPHORES | • photophores n. Plural of photophore. • PHOTOPHORE n. a luminiferous organ. |
| 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. |
| PROPHETHOOD | • prophethood n. State or condition of being a prophet. • PROPHETHOOD n. the state of being a prophet. |
| PROTOPHLOEM | • protophloem n. The form of phloem that is initially formed, composed of narrow, thin-walled cells. • PROTOPHLOEM n. the first-formed phloem that develops from procambium, usually associated with a region of rapid growth. |
| 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. |
| PYROPHOROUS | • pyrophorous adj. (Archaic) light-producing. • pyrophorous adj. (Archaic) of or relating to pyrophorus. • PYROPHOROUS adj. spontaneously igniting in air, also PYROPHORIC. |
| SPOROPHORES | • sporophores n. Plural of sporophore. • SPOROPHORE n. a spore-bearing stalk or structure, as in fungi. |
| SPOROPHORIC | • sporophoric adj. (Botany) Having the nature of a sporophore. • SPOROPHORIC adj. bearing spores, also SPOROPHOROUS. |
| WOODCHOPPER | • woodchopper n. A person who chops wood; a lumberjack. • woodchopper n. A person who woodchops as a sport. • wood␣chopper n. A person who chops wood. |