11-letter words containing o, h, p
- photosphere — a sphere of light or radiance.
- photostated — 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.
- 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.
- photosystem — either of two pigment-containing systems, photosystem I or II, in which the light-dependent chemical reactions of photosynthesis occur in the chloroplasts of plants
- phototactic — movement of an organism toward or away from a source of light.
- phototropic — growing toward or away from the light.
- phrase book — a small book containing everyday phrases and sentences and their equivalents in a foreign language, written especially for travelers.
- phraseogram — a written symbol or combination of symbols, as in shorthand, used to represent a phrase.
- phraseology — manner or style of verbal expression; characteristic language: legal phraseology.
- phycocyanin — a blue protein pigment, found in algae, involved in the process of photosynthesis.
- phycologist — the branch of botany dealing with algae.
- phycomycete — any of various fungi that resemble algae, as downy mildew.
- phycophaein — a brownish pigment which is found in seaweed
- phylloclade — a flattened stem or branch having the function of a leaf.
- phyllomania — the production of leaves in abnormal numbers or places.
- phyllophore — the terminal bud of a stem, especially of the stem of a palm.
- phylloplane — the surface of a leaf considered as a habitat, esp for microorganisms
- phyllotaxis — phyllotaxy.
- physiognomy — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- physiolater — somebody who worships nature
- physiolatry — the worship of nature
- physiologic — of or relating to physiology.
- physiologus — an ancient Greek book containing stories and tales with moral content about real and mythical animals
- physiometry — measurement of the physiological functions of the body.
- phytoalexin — any of a class of plant compounds that accumulate at the site of invading microorganisms and confer resistance to disease.
- phytochrome — a plant pigment that is associated with the absorption of light in the photoperiodic response and that may regulate various types of growth and development.
- phytography — the branch of botany dealing with the description of plants.
- phytosterol — Biochemistry. any of various sterols obtained from plants.
- phytotomist — someone who studies or who is an expert in phytotomy
- pictography — the use of pictographs; picture writing.
- pigeon hawk — merlin.
- pigeon-hole — one of a series of small, open compartments, as in a desk, cabinet, or the like, used for filing or sorting papers, letters, etc.
- pigeonholer — someone who likes to pigeonhole people or things
- pillow sham — an ornamental cover laid over a bed pillow.
- 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.
- pinacotheca — a place where works of art are displayed or stored
- pinchbottle — a bottle with concave sides, as for containing liquor.
- pistol shot — a shot fired from a pistol
- pistol-whip — to beat or hit (someone) repeatedly with a pistol, especially in the head and shoulder area.
- pitchometer — an instrument embodying a clinometer, for measuring the pitch of a ship's propeller
- pitchperson — a pitchman or pitchwoman
- pivot tooth — Dentistry. (formerly) an artificial crown attached to the root of a tooth by pivoting.
- placeholder — Mathematics, Logic. a symbol in an expression that may be replaced by the name of any element of the set.
- 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.
- plateholder — a lightproof container for a photographic plate, loaded into the camera with the plate and having a slide that is removed before exposing.