11-letter words containing c, o, p, r, h
- phanerozoic — the eon comprising the Paleozoic, Mesozoic, and Cenozoic eras.
- phoniatrics — the study and treatment of voice disorders.
- photochromy — a former technique of color photography.
- photocopier — any electrically operated machine using a photographic method, as the electrostatic process, for making instant copies of written, drawn, or printed material.
- photometric — the measurement of the intensity of light or of relative illuminating power.
- photoreduce — to undergo or to cause to undergo photoreduction
- phototropic — growing toward or away from the light.
- 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.
- pictography — the use of pictographs; picture writing.
- 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.
- pitchometer — an instrument embodying a clinometer, for measuring the pitch of a ship's propeller
- pitchperson — a pitchman or pitchwoman
- placeholder — Mathematics, Logic. a symbol in an expression that may be replaced by the name of any element of the set.
- pleochroism — the property of certain crystals of exhibiting different colors when viewed from different directions under transmitted light. Compare dichroism (def 1), trichroism.
- pleomorphic — of, relating to, or characterized by pleomorphism; polymorphous.
- polychroism — the ability of a crystal to absorb different wavelengths of light and thus to display multiple colours
- polychromic — having or exhibiting a variety of colors.
- polygraphic — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polymorphic — polymorphism
- polytrophic — (of certain bacteria) deriving nourishment from many organic substances.
- 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).
- porkchopper — a labor official put on the union payroll as a reward for past loyalty or services.
- porphyritic — of, pertaining to, containing, or resembling porphyry, its texture, or its structure.
- port neches — a town in SE Texas.
- potty-chair — a small chair with an open seat over a removable pot, for use by a child during toilet training.
- pouched rat — pocket gopher.
- 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.
- pre-homeric — of, relating to, or suggestive of Homer or his poetry.
- prehistoric — of or relating to the time or a period prior to recorded history: The dinosaur is a prehistoric beast.
- preluncheon — a light meal before lunch
- prep school — preparatory school.
- preschooler — a child below the official school starting age, usually a child up to age five.
- pro-chinese — the standard language of China, based on the speech of Beijing; Mandarin.
- pro-choicer — a person who supports the right of a woman to have an abortion
- procephalic — of or relating to the head.
- prochlorite — a dark green member of the chlorite group, usually foliated.
- prochronism — a chronological error in which a person, event, etc., is assigned a date earlier than the actual one; prolepsis.
- proctorship — a person appointed to keep watch over students at examinations.
- prophetical — of or relating to a prophet: prophetic inspiration.
- propter hoc — because of this.
- prosenchyma — the tissue characteristic of the woody and bast portions of plants, consisting typically of long, narrow cells with pointed ends.
- prosobranch — a gastropod mollusc of the subclass Prosobranchia, which includes conches, limpets, abalones, and numerous aquatic and terrestrial snails
- prosthetics — an artificial body part; a prosthesis: Hundreds of amputees volunteered to test the new prosthetics.
- prothoracic — relating to an insect's prothorax
- protolithic — noting or pertaining to stone implements selected according to suitability of the form to a particular purpose without definite shaping on the part of the user.
- protopathic — noting or pertaining to a general, nondiscriminating responsiveness to pain or temperature stimuli (opposed to epicritic).
- protophilic — having or involving an affinity for hydrogen ions (protons)
- protophytic — pertaining to the class Protophyta
- psychodrama — a method of group psychotherapy in which participants take roles in improvisational dramatizations of emotionally charged situations.