| EROTOPHOBIAS | • EROTOPHOBIA n. fear of sex. |
| HETEROTOPIAS | • heterotopias n. Plural of heterotopia. • HETEROTOPIA n. displacement of an organ from its normal position in the body, also HETEROTOPY. |
| HETEROTOPIES | • heterotopies n. Plural of heterotopy. • HETEROTOPY n. displacement of an organ of the body, also HETEROTOPIA. |
| HETEROTOPOUS | • heterotopous adj. Exhibiting heterotopy. • HETEROTOPOUS adj. relating to heterotopy, displacement of an organ of the body, also HETEROTOPIC. |
| ISOTOPICALLY | • isotopically adv. With regard to isotopes. • ISOTOPIC adv. of or like an isotope. |
| PHOTOPERIODS | • photoperiods n. Plural of photoperiod. • PHOTOPERIOD n. the period during every 24 hours when an organism is exposed to daylight. |
| PHOTOPHILIES | • PHOTOPHILY n. the state of being photophilic, light-loving, turning towards the light. |
| PHOTOPHILOUS | • photophilous adj. Thriving in the presence of light. • PHOTOPHILOUS adj. light-loving, turning towards the light, also PHOTOPHILIC. |
| PHOTOPHOBIAS | • photophobias n. Plural of photophobia. • PHOTOPHOBIA n. the morbid fear of light. |
| PHOTOPHONIES | • PHOTOPHONY n. the art or practice of using the photophone. |
| PHOTOPOLYMER | • photopolymer n. (Chemistry) Any polymer that reacts to light with a physical or chemical change, used especially for teeth fillings. • PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates. |
| PHOTOPRODUCT | • photoproduct n. (Chemistry) Any product of a photochemical reaction. • PHOTOPRODUCT n. a product of a photochemical reaction. |
| PROTOPATHIES | • PROTOPATHY n. first or direct experience. |
| PROTOPHLOEMS | • protophloems n. Plural of protophloem. • PROTOPHLOEM n. the first-formed phloem that develops from procambium, usually associated with a region of rapid growth. |
| PROTOPLANETS | • protoplanets n. Plural of protoplanet. • PROTOPLANET n. a planet in its initial state of formation. |
| PROTOPLASMAL | • protoplasmal adj. (Cytology) Of or relating to protoplasm. • PROTOPLASMAL adj. of or like protoplasm, also PROTOPLASMATIC, PROTOPLASMIC, PROTOPLASTIC. |
| PROTOPLASMIC | • protoplasmic adj. (Cytology) Of or relating to protoplasm. • PROTOPLASMIC adj. of or like protoplasm, also PROTOPLASMAL, PROTOPLASMATIC, PROTOPLASTIC. |
| PROTOPLASTIC | • protoplastic adj. Of or relating to protoplast. • protoplastic adj. (Obsolete) prototypical. • PROTOPLASTIC adj. of or like protoplasm, also PROTOPLASMAL, PROTOPLASMATIC, PROTOPLASMIC. |
| RADIOISOTOPE | • radioisotope n. (Physics) a radioactive isotope of an element. • RADIOISOTOPE n. a radioactive isotope. |