13-letter words containing m, o, t, h, p, r
- nephrectomies — Plural form of nephrectomy.
- nephrectomize — to perform a nephrectomy upon.
- over the hump — a rounded protuberance, especially a fleshy protuberance on the back, as that due to abnormal curvature of the spine in humans, or that normally present in certain animals, as the camel or bison.
- over-shipment — an act or instance of shipping freight or cargo.
- parental home — a school for problem children.
- pathomorphism — abnormal morphology.
- peppered moth — a European geometrid moth, Biston betularia, occurring in a pale grey speckled form in rural areas and a black form in industrial regions
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- phantasmagory — phantasmagoria.
- pharyngectomy — excision of part or all of the pharynx.
- photochromism — the reversible transformation of something's colour due to exposure to electromagnetic radiation such as sunlight
- photocomposer — a machine for setting type photographically.
- phototelegram — a telegram that is sent by means of phototelegraphy
- pistol shrimp — any common shrimp of the family Alphaeidae, distinguished by the snapping sound made by its enlarged claw.
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- platform shoe — a shoe with a platform.
- plethysmogram — the recording of a plethysmograph.
- plymouth rock — a rock at Plymouth, Massachusetts, on which the Pilgrims who sailed on the Mayflower are said to have stepped ashore when they landed in America in 1620.
- pneumatograph — pneumograph.
- pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- polychromatic — having or exhibiting a variety of colors.
- potato-masher — a kitchen implement used to crush or mash potatoes
- powder method — a method of x-ray determination of crystal structure using a powdered sample.
- premonishment — a forewarning
- primary tooth — one of the temporary teeth of a mammal that are replaced by the permanent teeth.
- primrose path — a way of life devoted to irresponsible hedonism, often of a sensual nature: The evangelist exhorted us to avoid the primrose path and stick to the straight and narrow.
- promonarchist — the principles of monarchy.
- protest march — public demonstration
- psychometrics — the measurement of mental traits, abilities, and processes.
- psychrometric — relating to psychrometry
- pyrheliometer — an instrument for measuring the total intensity of the sun's energy radiation.
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- spermatophore — a capsule surrounding a mass of spermatozoa, produced by the male of various animal species and transferred to the female.
- spermatophyte — any of the Spermatophyta, a primary division or group of plants comprising those that bear seeds.
- spermatorrhea — abnormally frequent and involuntary nonorgasmic emission of semen.
- sportsmanship — the character, practice, or skill of a sportsman.
- tapestry moth — carpet moth.
- tauromorphous — having the form of a bull
- temporal hour — a unit of time used in the Roman and Ottoman empires that divided the daylight into an equal number of hours, resulting in long summer hours and short winter hours.
- theanthropism — the doctrine of the union of the divine and human natures, especially the manifestation of God as man in Christ.
- theriomorphic — (of deities) thought of or represented as having the form of beasts.
- thermal power — power produced by converting heat into electricity
- thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- thermospheric — pertaining to the thermosphere
- thermotherapy — treatment of disease by means of moist or dry heat.
- thermotropism — oriented growth of an organism in response to heat.
- thigmotropism — oriented growth of an organism in response to mechanical contact, as a plant tendril coiling around a string support.
- thrombophilia — a condition marked by the tendency to develop blood clots or thrombosis
- timbrophilist — a person who loves stamps or who collects stamps
- topochemistry — the study of reactions that only occur at specific regions in a system