13-letter words containing h, e, a, r, t, o
- hypsometrical — Of or pertaining to hypsometry.
- hyracotherium — eohippus.
- hysteranthous — relating to a plant whose flowers open before its leaves
- iatrochemical — relating to iatrochemistry or iatrochemists
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- in order that — used to introduce a clause of purpose
- interchondral — of or relating to cartilage or a cartilage.
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- johore strait — a narrow strait between Malaya and Singapore Island
- joseph crater — Joseph Force [fawrs,, fohrs] /fɔrs,, foʊrs/ (Show IPA), 1889–? a judge of the New York State Supreme Court: his mysterious disappearance on August 6, 1930, has never been solved.
- karaoke night — a social occasion when karaoke sessions are held for entertainment, often in a pub or bar
- katharometers — Plural form of katharometer.
- kenneth arrow — Kenneth Joseph, born 1921, U.S. economist: Nobel Prize 1972.
- kinematograph — cinematograph.
- know by heart — have memorized
- lead chromate — a yellow crystalline compound, PbCrO 4 , toxic, insoluble in water: used as an industrial paint pigment.
- leather goods — products made of animal skin
- lethal factor — a gene that under certain conditions causes the death of an organism.
- life-or-death — life-and-death.
- literacy hour — (in England and Wales) a daily reading and writing lesson that was introduced into the national primary school curriculum in 1998 to raise standards of literacy
- lonely hearts — of or for people seeking counseling or companionship to bring love or romance into their lives: a lonely-hearts column in the newspaper.
- lonely-hearts — of or for people seeking counseling or companionship to bring love or romance into their lives: a lonely-hearts column in the newspaper.
- macrolecithal — megalecithal.
- magnetographs — Plural form of magnetograph.
- magnetosphere — the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts. Compare magnetopause.
- major prophet — any of a group of Old Testament prophets, including Isaiah, Jeremiah, and Ezekiel.
- marsh trefoil — buck bean.
- marx brothers — the. a US family of film comedians, esp Arthur Marx, known as Harpo (1888–1964), Herbert Marx, known as Zeppo (1901–79), Julius Marx, known as Groucho (1890–1977), and Leonard Marx, known as Chico (1886–1961). Their films include Animal Crackers (1930), Monkey Business (1931), Horsefeathers (1932), Duck Soup (1933), and A Day at the Races (1937)
- matched order — an order placed with a broker to buy a specified stock at a price above the market price with the intention of immediately selling the stock through another broker at the same price. It is designed to give the appearance of active trading in the stock.
- megawatt hour — a unit of energy equal to the work done by a power of a million watts in one hour
- mephobarbital — The drug methylphenobarbital.
- metachromasia — A characteristic change in the colour of staining carried out in biological tissues, exhibited by certain aniline dyes when they bind to particular substances present in these tissues, called chromotropes.
- metachromatic — change of color, especially that due to variation in the temperature of a body.
- metallography — the study of the structure of metals and alloys by means of microscopy.
- metamorphosed — to change the form or nature of; transform.
- metamorphoses — a series of mythological tales or legends in verse (a.d. 7–8) by Ovid.
- metamorphosis — Biology. a profound change in form from one stage to the next in the life history of an organism, as from the caterpillar to the pupa and from the pupa to the adult butterfly. Compare complete metamorphosis.
- metamorphotic — Of or relating to metamorphosis.
- metaphoricity — The power of a metaphor.
- methocarbamol — a substance, C 1 1 H 1 5 NO 5 , used as a muscle relaxant in combination with other drugs in the treatment of acute, painful musculoskeletal conditions.
- methylpropane — (organic compound) isobutane.
- microlecithal — having a small amount of yolk, as certain eggs or ova.
- microteaching — a scaled-down teaching procedure with a few students under controlled conditions, often videotaped in order to analyze teaching techniques and develop new teaching skills.
- moderatorship — The position or office of a moderator.
- mohave desert — a desert in S California: part of the Great Basin. About 15,000 sq. mi. (38,850 sq. km).
- monochromated — Fitted with a monochromator.
- monotherapies — Plural form of monotherapy.
- mother abbess — the female head of a religious house of nuns