10-letter words containing p, h, o, r
- preholiday — relating to the period before a holiday
- prehominid — any of the extinct humanlike primates classified in the former family Prehominidae.
- priesthood — the condition or office of a priest.
- princehood — the office or rank of a prince
- print shop — a shop where prints or graphics are sold.
- pro-choice — supporting or advocating legalized abortion.
- pro-growth — favoring or advocating the commercial development or exploitation of land and other natural resources, especially with minimal government restriction and regulation.
- prochloron — any spherical, photosynthetic, prokaryotic microorganism of the genus Prochloron, occurring in subtropical and tropical habitats in symbiosis with various invertebrates, especially marine chordates, proposed as ancestral to the chloroplast of green algae and plants.
- prognathic — having protrusive jaws; having a gnathic index over 103.
- prohibited — to forbid (an action, activity, etc.) by authority or law: Smoking is prohibited here.
- prohibitor — to forbid (an action, activity, etc.) by authority or law: Smoking is prohibited here.
- prohormone — the inactive precursor molecule from which a hormone is derived.
- promethean — of or suggestive of Prometheus.
- prometheus — a Titan, the father of Deucalion and brother of Atlas and Epimetheus, who taught humankind various arts and was sometimes said to have shaped humans out of clay and endowed them with the spark of life. For having stolen fire from Olympus and given it to humankind in defiance of Zeus, he was chained to a rock where an eagle daily tore at his liver, until he was finally released by Hercules.
- promethium — a rare-earth, metallic, trivalent element. Symbol: Pm; atomic number: 61.
- pronephros — one of the three embryonic excretory organs of vertebrates, which becomes the functional kidney of certain primitive fishes.
- prophesied — to foretell or predict.
- prophetess — a woman who speaks for God or a deity, or by divine inspiration.
- prosphoron — an uncut loaf of altar bread before it is consecrated.
- prostheses — a device, either external or implanted, that substitutes for or supplements a missing or defective part of the body.
- prosthesis — a device, either external or implanted, that substitutes for or supplements a missing or defective part of the body.
- prosthetic — of or relating to an artificial body part or prosthesis: He was fitted for a prosthetic arm.
- prothallus — prothallium.
- protohuman — of, relating to, or resembling extinct hominid populations that had some but not all the features of modern Homo sapiens.
- protonymph — the newly hatched form of various mites
- protophyte — a single-celled plant of the class Protophyta
- prototroph — a microorganism that has the same nutritional requirements as the parent organism. Compare auxotroph.
- psychogram — a message believed to be written by a spirit or authored by psychical means
- punchboard — a small board containing holes filled with slips of paper printed with concealed numbers that are punched out by a player in an attempt to win a prize.
- push broom — a wide broom with a long handle, pushed by hand and used for sweeping large areas.
- pyrethroid — any of several synthetic compounds that are similar to but more persistent than natural pyrethrins.
- pyrochlore — a mineral, chiefly composed of niobates of the cerium metals, occurring in syenites in the form of brown crystals.
- pyrography — the process of burning designs on wood, leather, etc., with a heated tool.
- pyrophobia — an abnormal fear of fire.
- pyrophobic — an abnormal fear of fire.
- pyrophoric — capable of igniting spontaneously in air.
- pyrophorus — a substance which ignites when exposed to air
- pyrotechny — the art of making fireworks
- pyrrhonism — the Skeptic doctrines of Pyrrho and his followers.
- pyrrhotite — a common mineral, iron sulfide, approximately FeS but variable because of a partial absence of ferrous ions, occurring in massive and in crystal forms with a bronze color and metallic luster; magnetic pyrites: generally slightly magnetic.
- pyrrophyta — a phylum in the kingdom Protista comprising the dinoflagellates and cryptomonads.
- pyrrophyte — any of various single-celled, biflagellated algae, of the phylum Pyrrophyta, especially the dinoflagellates.
- pythagoras — c582–c500 b.c, Greek philosopher, mathematician, and religious reformer.
- radiograph — Also called shadowgraph. a photographic image produced by the action of x-rays or nuclear radiation.
- radiophare — a radiotelegraphic station used by vessels to determine their positions; radio beacon.
- radiophone — a radiotelephone.
- radiophoto — an image created by radio waves rather than light
- reapproach — to come near or nearer to: The cars slowed down as they approached the intersection.
- renography — x-ray examination of the kidney following injection of a radiopaque substance.
- reproached — to find fault with (a person, group, etc.); blame; censure.