11-letter words containing h, i, t, p
- phosphatide — phospholipid.
- phosphatize — to treat with phosphates.
- phosphorite — a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers.
- photic zone — the upper layer of a body of water delineated by the depth to which enough sunlight can penetrate to permit photosynthesis.
- photoactive — the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis.
- photobiotic — living or thriving only in the presence of light.
- photocopier — any electrically operated machine using a photographic method, as the electrostatic process, for making instant copies of written, drawn, or printed material.
- photoflight — pertaining to a flight made for the purpose of aerial photography.
- photoionize — to cause to undergo or to undergo photoionization
- photometric — the measurement of the intensity of light or of relative illuminating power.
- photomosaic — mosaic (def 4).
- photoperiod — the interval in a 24-hour period during which a plant or animal is exposed to light.
- photophilic — of or relating to an organism, as a plant, that is receptive to, seeks, or thrives in light.
- photophobia — an abnormal sensitivity to or intolerance of light, as in iritis.
- photophobic — of or relating to an organism that avoids light.
- photophonic — of, relating to, or having the properties of a photophone
- photoresist — Electronics. a photosensitive liquid polymer, used in photolithography to produce integrated circuits.
- photostatic — a camera for making facsimile copies of documents, drawings, etc., in the form of paper negatives on which the positions of lines, objects, etc., in the originals are maintained.
- phototactic — movement of an organism toward or away from a source of light.
- phototropic — growing toward or away from the light.
- phrenetical — of or relating to phrenitis
- phthiriasis — crab lice infestation.
- phycologist — the branch of botany dealing with algae.
- phylacteric — of or relating to phylacteries
- phyllotaxis — phyllotaxy.
- physiatrics — physical medicine.
- physiatrist — a physician specializing in physical medicine.
- physicalist — a doctrine associated with logical positivism and holding that every meaningful statement, other than the necessary statements of logic and mathematics, must refer directly or indirectly to observable properties of spatiotemporal things or events.
- physicality — the physical attributes of a person, especially when overdeveloped or overemphasized.
- physiolater — somebody who worships nature
- physiolatry — the worship of nature
- physiometry — measurement of the physiological functions of the body.
- physitheism — the attribution of physical form to gods and religious beings
- phytic acid — a white to pale-yellow, water-soluble liquid, C 6 H 1 8 O 2 4 P 6 , found in cereal grains: used chiefly to chelate heavy metals during the manufacture of animal fats and vegetable oils and as a water-softening agent.
- phytoalexin — any of a class of plant compounds that accumulate at the site of invading microorganisms and confer resistance to disease.
- phytotomist — someone who studies or who is an expert in phytotomy
- pictography — the use of pictographs; picture writing.
- picture hat — a woman's hat having a very broad, flexible brim, often decorated with feathers, flowers, or the like.
- pilot chart — any of a number of charts issued to mariners by the U.S. Hydrographic Office and showing meteorological, hydrographic, and navigational conditions prevailing, or likely to prevail, subsequent to the date of issue in some part of the world: issued monthly for most areas.
- pilot cloth — a type of thick blue cloth used esp to make sailor's coats
- pilot house — an enclosed structure on the deck of a ship from which it can be navigated.
- pilot light — Also called pilot, pilot burner. a small flame kept burning continuously, as in a gas stove or furnace, to relight the main gas burners whenever necessary or desired.
- pilot whale — a small, common whale, Globicephala sieboldii, of tropical and temperate seas, having a bulbous head.
- pin-feather — an undeveloped feather before the web portions have expanded.
- pinacotheca — a place where works of art are displayed or stored
- pinch pleat — a narrow pleat that is usually part of a series at the top of curtains.
- pinchbottle — a bottle with concave sides, as for containing liquor.
- pintsch gas — gas with high illuminating power made from shale oil or petroleum, used in buoys, lighthouses, and railroad cars.
- pirate ship — vessel sailed by sea robbers
- pissasphalt — a sticky semi-liquid form of bitumen that is similar to tar