11-letter words containing h, o, p, i, r
- pedomorphic — a speeding up of the rate of development, resulting in an adult form that has the appearance of its larval or juvenile ancestor.
- perchloride — the chloride of any particular element or group with the maximum proportion of chlorine.
- perichylous — (of a plant) having water-storing tissue outside the green tissue
- phanerozoic — the eon comprising the Paleozoic, Mesozoic, and Cenozoic eras.
- philography — the collecting of autographs, especially those of famous persons.
- philosopher — a person who offers views or theories on profound questions in ethics, metaphysics, logic, and other related fields.
- phoniatrics — the study and treatment of voice disorders.
- phosphorism — chronic phosphorus poisoning.
- phosphorite — a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers.
- phosphorize — phosphorate (def 1).
- 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.
- photoperiod — the interval in a 24-hour period during which a plant or animal is exposed to light.
- photoresist — Electronics. a photosensitive liquid polymer, used in photolithography to produce integrated circuits.
- phototropic — growing toward or away from the light.
- physiolater — somebody who worships nature
- physiolatry — the worship of nature
- physiometry — measurement of the physiological functions of the body.
- pictography — the use of pictographs; picture writing.
- pigeonholer — someone who likes to pigeonhole people or things
- 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
- 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.
- plerophoria — full conviction
- 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.
- polyhistory — the quality of a polyhistor
- 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).
- porkpie hat — a hat with a round flat crown and a brim that can be turned up or down
- porphyratin — any of various complex compounds formed of metals and porphyrins
- porphyritic — of, pertaining to, containing, or resembling porphyry, its texture, or its structure.
- potty-chair — a small chair with an open seat over a removable pot, for use by a child during toilet training.
- power chain — an endless chain for transmitting motion and power between sprockets on shafts with parallel axes.
- praetorship — the office of a praetor.
- prajadhipok — 1893–1941, king of Siam 1925–35.
- pre-holiday — a day fixed by law or custom on which ordinary business is suspended in commemoration of some event or in honor of some person.
- pre-homeric — of, relating to, or suggestive of Homer or his poetry.
- preadmonish — to admonish or warn beforehand
- prehistoric — of or relating to the time or a period prior to recorded history: The dinosaur is a prehistoric beast.
- priest-hole — a secret chamber in certain houses in England, built as a hiding place for Roman Catholic priests when they were proscribed in the 16th and 17th centuries
- prizeworthy — deserving or qualified for a prize: a prizeworthy performance.
- pro-british — of or relating to Great Britain or its inhabitants.
- 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.