| HIPPOGRYPHS | • hippogryphs n. Plural of hippogryph. • HIPPOGRYPH n. a fabulous winged animal, half horse and half griffin, also HIPPOGRIFF. |
| HYPERPLASIA | • hyperplasia n. (Medicine) An increase in the size of a tissue or organ due to increased number of cells. • HYPERPLASIA n. an abnormal or unusual increase in the elements composing a part, such as cells composing a tissue. |
| HYPERPLOIDS | • hyperploids n. Plural of hyperploid. • HYPERPLOID n. a hyperploid organism. |
| PARAPSYCHIC | • parapsychic adj. Parapsychological. • parapsychic n. A person with a paranormal psychic ability, such as telepathy or telekinesis. • PARAPSYCHIC adj. related to parapsychism, also PARAPSYCHICAL. |
| PERIPHYTONS | • periphytons n. Plural of periphyton. • PERIPHYTON n. aquatic organisms which are attached to, or cling to, stems and leaves of rooted plants, rocks, etc. |
| PORPHYRITES | • porphyrites n. Plural of porphyrite. • PORPHYRITE n. a rock with a porphyritic structure; as, augite porphyrite. |
| PORPHYROIDS | • porphyroids n. Plural of porphyroid. • PORPHYROID n. a metamorphic rock having a texture characterized by large crystals set in a finer groundmass. |
| PROPHESYING | • prophesying v. Present participle of prophesy. • prophesying n. A prophecy. • prophesying n. (Historical) A religious meeting to discuss parts of Scripture and their possible use in sermons. |
| PROPHYLAXIS | • prophylaxis n. (Medicine) Prevention of, or protective treatment for, disease. • prophylaxis n. (Chess) A move or strategy that frustrates an opponent’s plan or tactic. • PROPHYLAXIS n. preventive treatment against diseases, etc. |
| PSALIGRAPHY | • PSALIGRAPHY n. the art of paper-cutting to make pictures. |
| PYROPHOBIAS | • PYROPHOBIA n. fear of fire. |
| PYROPHOBICS | • pyrophobics n. Plural of pyrophobic. • PYROPHOBIC n. one having an irrational fear of fires. |
| SAPROPHYTIC | • saprophytic adj. Relating to saprophytes. • SAPROPHYTIC adj. relating to a saprophyte. |
| SCRIPOPHILY | • scripophily n. The hobby of collecting paper documents, particularly business stock certificates. • SCRIPOPHILY n. the hobby of collecting historic stock and bond certificates. |
| SPIROGRAPHY | • spirography n. (Medicine) The measurement of breathing movements. • SPIROGRAPHY n. the recording of breathing movements. |
| SPOROPHYTIC | • sporophytic adj. (Botany) Of or pertaining to a sporophyte plant. • sporophytic adj. (Botany) Having the characteristics of a sporophyte. • SPOROPHYTIC adj. of or like a sporophyte. |
| SUPERHYPING | • SUPERHYPE v. to subject to an exceptional degree of hype. |