12-letter words containing o, c, t, m
- photothermic — pertaining to the thermal effects of light.
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- pictorialism — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- picture mold — a molding near a ceiling from which pictures can be suspended.
- pinealectomy — a surgical operation to remove the pineal gland
- placentiform — shaped like a placenta, with a flat rounded form
- plasma torch — an electrical device for converting a gas into a plasma, used for melting metal
- plastic bomb — a bomb made of plastic explosive.
- plastic foam — expanded plastic.
- platform car — a railroad freight car having no enclosing sides or top; a flatcar.
- pneumatocyst — the cavity of a pneumatophore.
- pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
- pneumotropic — directed toward or having an affinity for lung tissue.
- pocket money — money for small, current expenses.
- pocket mouse — any of numerous burrowing rodents, especially of the genus Perognathus, chiefly inhabiting arid regions of the southwestern U.S. and northern Mexico, having fur-lined cheek pouches and a long tail.
- polycentrism — the doctrine that a plurality of independent centers of leadership, power, or ideology may exist within a single political system, especially Communism.
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polycythemic — relating to polycythemia
- polygamistic — a person who practices or favors polygamy.
- polyrhythmic — the simultaneous occurrence of sharply contrasting rhythms within a composition.
- porismatical — porismatic
- postconsumer — noting or pertaining to a product after it has been used and recycled: a chair made of postconsumer plastic.
- postischemic — occurring after or due to ischaemia
- postorgasmic — of or relating to the period after an orgasm
- postromantic — of or relating to the period after Romanticism
- postsphygmic — of or relating to the pulse.
- potichomania — the art or process of printing or using paint to decorate the inside of a glass vessel
- prime factor — any number in the set of prime numbers that is also a factor of a given integer
- problematics — problems or difficulties in a particular situation or subject
- proclamation — something that is proclaimed; a public and official announcement.
- product mark — a trademark used on only one product.
- programmatic — of, relating to, consisting of, or resembling program music.
- promuscidate — shaped like a proboscis
- propheticism — the actions or characteristics of a prophet
- protactinium — a radioactive, metallic element. Symbol: Pa; atomic number: 91.
- protomorphic — having a primitive character or structure.
- protoplasmic — Biology. (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
- protosemitic — the hypothetical parent language of the Semitic group of languages
- psammophytic — relating to psammophytes
- psychometric — Psychology. psychometrics.
- psychoticism — the state of being psychotic
- psychrometer — an instrument for determining atmospheric humidity by the reading of two thermometers, the bulb of one being kept moist and ventilated.
- psychrometry — the employment of the psychrometer.
- pumice stone — abrasive stone used for exfoliating
- pumice-stone — Also called pumice stone. a porous or spongy form of volcanic glass, used as an abrasive.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- racemization — the conversion of an optically active substance into an optically inactive mixture of equal amounts of the dextrorotatory and levorotatory forms.
- rachiotomies — Plural form of rachiotomy.
- radiomimetic — (of drugs) producing effects similar to those produced by X-rays
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.