11-letter words containing o, p, h, r, n
- odontograph — an instrument for laying out the forms of gear teeth or ratchets.
- odontophore — a structure in the mouth of most mollusks over which the radula is drawn backward and forward in the process of breaking up food.
- open-hearth — noting, pertaining to, or produced by the open-hearth process.
- openhearted — Frank and candid.
- oppenheimer — J(ulius) Robert, 1904–67, U.S. nuclear physicist.
- ornithopods — Plural form of ornithopod.
- ornithopter — a heavier-than-air craft designed to be propelled through the air by flapping wings.
- orphan drug — Pharmacology. a drug that remains undeveloped or untested or is otherwise neglected because of limited potential for commercial gain.
- orthopnoeic — difficult or painful breathing except in an erect sitting or standing position.
- orthopteran — orthopterous.
- orthopteron — an orthopterous insect.
- oxymorphone — a potent semisynthetic morphine-derived narcotic analgesic, C 1 7 H 1 9 NO 4 , used as a substitute for morphine.
- ozonosphere — Meteorology. the layer of the upper atmosphere where most atmospheric ozone is concentrated, from about 8 to 30 miles (12 to 48 km) above the earth, with the maximum ozone concentration occurring at an altitude of about 12 miles (19 km).
- paint horse — paint (def 6).
- panchreston — a proposed explanation intended to address a complex problem by trying to account for all possible contingencies but typically proving to be too broadly conceived and therefore oversimplified to be of any practical use.
- paranephros — the adrenal gland
- parishioner — one of the community or inhabitants of a parish.
- paronychial — of or relating to paronychia
- patron-ship — a person who is a customer, client, or paying guest, especially a regular one, of a store, hotel, or the like.
- patroonship — a person who held an estate in land with certain manorial privileges granted under the old Dutch governments of New York and New Jersey.
- pentahedron — a solid figure having five faces.
- phanerogams — any of the Phanerogamia, a former primary division of plants comprising those having reproductive organs; a flowering plant or seed plant (opposed to cryptogam).
- phanerozoic — the eon comprising the Paleozoic, Mesozoic, and Cenozoic eras.
- pharaoh ant — a red or yellow ant, Monomorium pharaonis, introduced from Europe into North America: a common household pest.
- phoniatrics — the study and treatment of voice disorders.
- phonography — phonetic spelling, writing, or shorthand.
- photoproton — a proton emitted from a nucleus during photodisintegration.
- photosensor — a photocell used to detect light.
- pigeonholer — someone who likes to pigeonhole people or things
- pitchperson — a pitchman or pitchwoman
- planography — the art or technique of printing from a flat surface directly or by offset.
- planthopper — any member of a large and varied group of homopterous insects that are related to the leafhoppers and the spittlebugs but rarely damage cultivated plants.
- pneumograph — a device for recording graphically the respiratory movements of the thorax.
- pondicherry — a union territory of India, on the Coromandel Coast: formerly the chief settlement of French India; territory includes Mahé (on the Malabar Coast), Karikal, and Yanaon. 181 sq. mi. (469 sq. km).
- pornography — sexually explicit videos, photographs, writings, or the like, whose purpose is to elicit sexual arousal.
- porphyratin — any of various complex compounds formed of metals and porphyrins
- port hudson — a village in SE Louisiana, on the Mississippi, N of Baton Rouge: siege during the U.S. Civil War 1863.
- port neches — a town in SE Texas.
- powder horn — a powder flask made from the horn of a cow or ox.
- power chain — an endless chain for transmitting motion and power between sprockets on shafts with parallel axes.
- power lunch — ability to do or act; capability of doing or accomplishing something.
- preadmonish — to admonish or warn beforehand
- preluncheon — a light meal before lunch
- pro-chinese — the standard language of China, based on the speech of Beijing; Mandarin.
- prochronism — a chronological error in which a person, event, etc., is assigned a date earlier than the actual one; prolepsis.
- prognathism — having protrusive jaws; having a gnathic index over 103.
- prognathous — having protrusive jaws; having a gnathic index over 103.
- prohibition — the act of prohibiting.
- prophesying — to foretell or predict.
- prosenchyma — the tissue characteristic of the woody and bast portions of plants, consisting typically of long, narrow cells with pointed ends.