13-letter words containing m, o, t, h
- 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.
- polychotomous — divided into multiple parts
- polychromatic — having or exhibiting a variety of colors.
- polycythaemia — an abnormal condition of the blood characterized by an increase in the number of red blood cells. It can occur as a primary disease of unknown cause (polycythaemia vera or erythraemia) or in association with respiratory or circulatory diseases
- polythalamous — having multiple chambers
- post-midnight — the middle of the night; twelve o'clock at night.
- 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.
- psychomimetic — psychotomimetic.
- psychosomatic — of or relating to a physical disorder that is caused by or notably influenced by emotional factors.
- psychrometric — relating to psychrometry
- pyrheliometer — an instrument for measuring the total intensity of the sun's energy radiation.
- q-methodology — a statistical methodology used by psychologists to identify alternative world-views, opinions, interpretations, etc, in terms of statistically independent patterns of response recognized by clustering together individuals whose orderings of items, typically attitude statements, are similar
- r-methodology — any statistical methodology in psychology that is contrasted with Q-methodology
- rabbath ammon — Amman.
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- refashionment — the act or state of being refashioned
- remythologize — to mythologize anew, to make a new mythological system out of (an existing one)
- rhythm method — a method of birth control in which the couple abstain from sexual intercourse during the period when ovulation is most likely to occur.
- rhythmization — the act or process of rhythmizing something
- rosebud mouth — a mouth that resembles the unopened flower of a rose in shape
- rule of thumb — a general or approximate principle, procedure, or rule based on experience or practice, as opposed to a specific, scientific calculation or estimate.
- rutherfordium — a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Rf; atomic number: 104.
- saccharometer — an instrument for measuring the amount of sugar in a solution, as by determining the specific gravity of the solution.
- saccharometry — the process of determining the quantity of sugar in a solution
- sadomasochist — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- schizomycetes — any of numerous microorganisms of the subkingdom (or phylum) Schizophyta, kingdom Monera, comprising the bacteria.
- scholasticism — (sometimes initial capital letter) the system of theological and philosophical teaching predominant in the Middle Ages, based chiefly upon the authority of the church fathers and of Aristotle and his commentators.
- school system — state education
- semester hour — a unit of academic credit fulfilled by completing one hour of class instruction each week for one semester.
- sex chromatin — Barr body.
- shockumentary — a television programme showing members of the public in shocking or violent situations
- short-commons — a scanty allowance of food.
- short-termism — If you accuse people of short-termism, you mean that they make decisions that produce benefits now or soon, rather than making better decisions that will produce benefits in the future.
- show me state — Missouri (used as a nickname).
- show-me state — Missouri2
- silkworm moth — any of several moths of the families Bombycidae and Saturniidae, the larvae of which are silkworms.
- silver-y moth — a brownish noctuid moth, Plusia gamma, having a light Y-shaped marking on each forewing; it migrates in large flocks
- single mother — a mother who brings up a child or children alone, without a partner.
- smooth collie — a breed of short-haired collie with a smooth, thick coat.
- smooth muscle — involuntary muscle tissue in the walls of viscera and blood vessels, consisting of nonstriated, spindle-shaped cells.
- smooth-shaven — having the beard and mustache shaved off; clean-shaven.