13-letter words containing o, h, a, r
- loan-sharking — the practice of lending money at exorbitant or illegal interest rates
- logarithmancy — Divination using logarithms.
- logical truth — the property of being logically tautologous
- 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.
- look ahead lr — Look Ahead Left-to-right parse, Rightmost-derivation
- losing hazard — an unavoidable danger or risk, even though often foreseeable: The job was full of hazards.
- low churchman — a person who advocates or follows Low Church practices.
- lower chamber — lower house.
- lycanthropous — Lycanthropic.
- lymphographic — of or relating to lymphography
- lymphosarcoma — a malignant tumor in lymphatic tissue, caused by the growth of abnormal lymphocytes.
- maccheroncini — thin pasta tubes made from wheat flour
- machine error — an error caused by a fault or defect in a machine rather than by human error
- macrocephalic — Cephalometry. being or having a head with a large cranial capacity.
- macrocephalus — Alternative spelling of macrocephalous.
- 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.
- maid of honor — an unmarried woman who is the chief attendant of a bride. Compare matron of honor.
- major prophet — any of a group of Old Testament prophets, including Isaiah, Jeremiah, and Ezekiel.
- manhole cover — a removable metal plate covering a shaft that leads down to a sewer or drain
- mao inhibitor — any of various substances, as isocarboxazid and phenelzine, that block enzymatic breakdown of certain monoamine neurotransmitters: used to treat severe depression. Abbreviation: MAOI.
- marching song — a song with the rhythm of a march, esp sung by marching soldiers
- marchionesses — Plural form of marchioness.
- mare chronium — an area in the southern hemisphere of Mars, appearing as a dark region when viewed telescopically from the earth.
- marrow squash — any of several squashes having a smooth surface, an oblong shape, and a hard rind.
- 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)
- mastigophoran — Also, mastigophore [mas-ti-guh-fawr, -fohr] /ˈmæs tɪ gəˌfɔr, -ˌfoʊr/ (Show IPA). a protozoan of the phylum Mastigophora.
- mastigophoric — Carrying or wielding a whip.
- matchboarding — a construction of matchboards.
- 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.
- megaherbivore — a large herbivore, such as an elephant, weighing more than 1000kg
- megawatt hour — a unit of energy equal to the work done by a power of a million watts in one hour
- melanochroous — having dark-coloured or black skin
- membranophone — any musical instrument, as a drum, in which the sound is produced by striking, rubbing, or blowing against a membrane stretched over a frame.
- 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.
- microcephalia — Microcephaly.
- microcephalic — having a head with a small braincase.