| GLYPTOGRAPHY | • glyptography n. (Art) carving or engraving on precious stone. • GLYPTOGRAPHY n. the art of engraving on gems. |
| HYPERPLASTIC | • hyperplastic adj. Of, or relating to hyperplasia. • HYPERPLASTIC adj. relating to hyperplasia. |
| HYPERSPATIAL | • hyperspatial adj. Pertaining to hyperspace. • hyperspatial adj. Of or pertaining to multi-dimensional geometry. • hyperspatial adj. Of or with a spatial resolution below 1 meter remote sensing. |
| HYPERTYPICAL | • hypertypical adj. Extremely typical; conforming strongly to a type. • HYPERTYPICAL adj. excessively typical. |
| HYPOPLASTRON | • hypoplastron n. The third lateral plate in the plastron of turtles. • HYPOPLASTRON n. the plate behind the hyoplastron in a turtle's plastron. |
| PETROGLYPHIC | • petroglyphic adj. Of or pertaining to petroglyphy. • PETROGLYPHIC adj. of or like a petroglyph, an ancient rock-carving. |
| PHILANTHROPY | • philanthropy n. (Chiefly uncountable) Benevolent altruism with the intention of increasing the well-being of humankind. • philanthropy n. (Uncountable) Charitable giving, charity. • philanthropy n. (Countable) A philanthropic act. |
| 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. |
| POLYGRAPHIST | • polygraphist n. A person skilled in the operation of a polygraph (lie detector). • POLYGRAPHIST n. one who operates a polygraph. |
| PROPHYLACTIC | • prophylactic n. A medicine which preserves or defends against disease; a preventive. • prophylactic n. (Figuratively) Any device or mechanism intended to prevent harmful consequences. • prophylactic adj. Serving to prevent or protect against an undesired effect, especially disease or pregnancy. |
| PSILANTHROPY | • psilanthropy n. (Theology) The doctrine that Jesus Christ was merely human. • PSILANTHROPY n. the belief that Christ was not divine but divinely inspired. |
| PYROPHYLLITE | • pyrophyllite n. (Mineralogy) A soft, pale aluminosilicate mineral, somewhat resembling talc. • PYROPHYLLITE n. a silvery-white to pale-green aluminum silicate. |
| PYROSULPHATE | • pyrosulphate n. (Inorganic chemistry, Britain) Alternative spelling of pyrosulfate. • PYROSULPHATE n. a salt of sulphur. |