13-letter words containing a, c, h, r, o, m
- normal school — (formerly) a school offering a two-year course and certification to high-school graduates preparing to be teachers, especially elementary-school teachers.
- norman french — Also called Norman. the French dialect of the Normans or of Normandy.
- normocephalic — Having a normal sized head; neither macrocephalic nor microcephalic; mesocephalic.
- north america — the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 feet (6187 meters); lowest, Death Valley, 276 feet (84 meters) below sea level. About 9,360,000 sq. mi. (24,242,400 sq. km).
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- orchidomaniac — a person who is obsessed with or has a passion for orchids
- ornithomantic — relating to ornithomancy
- panharmonicon — a mechanical instrument that imitates orchestral sounds
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- pharmacognosy — materia medica (def 2).
- pharmacologic — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopoeia — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- pharyngectomy — excision of part or all of the pharynx.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- poker machine — a fruit machine
- polychromatic — having or exhibiting a variety of colors.
- promonarchist — the principles of monarchy.
- protest march — public demonstration
- radiochemical — pertaining to or involving radiochemistry.
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- reach-me-down — a garment that is cheaply ready-made or second-hand
- rhinoscleroma — an inflammatory bacterial disease of the nose that is mostly found in Africa and Central America
- rogue's march — a derisive tune played to accompany a person's expulsion from a regiment, community, etc.
- 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
- saccharomyces — a fungus of the genus Saccharomyces, esp the yeast plant
- sacher-masoch — Leopold von [ley-oh-pohlt fuh n] /ˈleɪ oʊˌpoʊlt fən/ (Show IPA), 1836–95, Austrian novelist.
- schoolmarmish — a female schoolteacher, especially of the old-time country school type, popularly held to be strict and priggish.
- sex chromatin — Barr body.
- shockumentary — a television programme showing members of the public in shocking or violent situations
- shop chairman — a unionized employee elected to represent a shop, department, or the like, in dealings with an employer.
- smoke chamber — an enlarged area between the throat of a fireplace and the chimney flue.
- south america — a continent in the S part of the Western Hemisphere. About 6,900,000 sq. mi. (17,871,000 sq. km).
- tautochronism — the fact or quality of being a tautochrone
- the decameron — title of collection of stories written in Italian in the early Renaissance by Boccaccio
- the-decameron — a collection of 100 tales (1353) by Boccaccio.
- thermal shock — a fluctuation in temperature causing stress in a material. It often results in fracture, esp in brittle materials such as ceramics
- thermobalance — an analytical balance that measures weight changes when matter is heated
- thermodynamic — of or relating to thermodynamics.
- thermoelastic — pertaining to the thermodynamic effects produced by deformation of an elastic substance.
- thermonuclear — relating to nuclear fusion
- thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- thermostatics — the branch of science concerned with thermal equilibrium
- thesaurus.com — a popular free online dictionary of synonyms and antonyms: Thesaurus.com.
- thiocarbamide — thiourea.
- thomas decker — Thomas, 1572?–1632? English dramatist.
- thoracolumbar — of the thoracic and lumbar regions
- thromboclasis — thrombolysis.
- trench mortar — a portable, muzzle-loaded mortar, usually having a smooth bore, fired at high angles of elevation to reach concealed enemy targets.
- trichromatism — the quality or condition of being trichromatic.