13-letter words containing a, r, i, s
- marching song — a song with the rhythm of a march, esp sung by marching soldiers
- marchionesses — Plural form of marchioness.
- mare frigoris — (Sea of Cold) a dark plain in the northern hemisphere, in the first and second quadrants of the face of the moon: about 55 miles (90 km) wide at its narrowest width and 750 miles (1200 km) long: about 67,000 sq. mi. (174,000 sq. km).
- mare nectaris — (Sea of Nectar) a dark plain in the fourth quadrant of the face of the moon: about 26,000 sq. mi. (67,000 sq. km).
- marginal cost — the cost of one additional unit of any item produced or bought in quantity.
- marginal seat — a seat in which elections tend to be won by small margins
- marginalising — Present participle of marginalise.
- maria theresa — 1717–80, archduchess of Austria; queen of Hungary and Bohemia 1740–80 (wife of Francis II; mother of Joseph II, Leopold II, Marie Antoinette).
- mariculturist — One who engages in mariculture.
- mariposa lily — any lily of the genus Calochortus, of the western U.S. and Mexico, having tuliplike flowers of various colors.
- maritime alps — a range of the W Alps in SE France and NW Italy. Highest peak: Argentera, 3297 m (10 817 ft)
- marketisation — Alternative spelling of marketization.
- marlinespikes — Plural form of marlinespike.
- marriage vows — promises made as part of wedding ceremony
- marsh harrier — a European harrier, Circus aeruginosus, that frequents marshy regions
- marsh trefoil — buck bean.
- martyrologies — Plural form of martyrology.
- masking frame — easel (def 2).
- mass catering — the trade of supplying food and drink to large numbers of customers at the same time
- mass hysteria — a condition affecting a group of persons, characterized by excitement or anxiety, irrational behavior or beliefs, or inexplicable symptoms of illness.
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- master switch — a switch that can be used to turn on or off the supply of electricity to a building or to certain equipment
- masterminding — to plan and direct (a usually complex project or activity), especially skillfully: Two colonels had masterminded the revolt.
- mastersingers — Plural form of mastersinger.
- masticatories — Plural form of masticatory.
- 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.
- materfamilias — the mother of a family.
- materialistic — excessively concerned with physical comforts or the acquisition of wealth and material possessions, rather than with spiritual, intellectual, or cultural values.
- maternalistic — of, pertaining to, having the qualities of, or befitting a mother: maternal instincts.
- matripotestal — of or relating to the authority exercised by a mother or a mother's blood relatives.
- matthew paris — Matthew, Matthew of Paris.
- mean-spirited — petty; small-minded; ungenerous: a meanspirited man, unwilling to forgive.
- measurability — capable of being measured.
- measuring cup — a graduated cup used especially in cooking for measuring ingredients.
- measuring jug — a graduated jug used in cooking to measure ingredients
- measuring rod — ruler, gauge, stick for measuring
- measuringworm — the larva of any geometrid moth, which progresses by bringing the rear end of the body forward and then advancing the front end.
- megasporangia — a sporangium containing megaspores.
- melodramatics — Melodramatic behavior, action, or writing.
- melodramatist — A writer of melodramas.
- memorabiliast — a person who collects mementos or souvenirs, as postcards or playbills.
- memorialising — Present participle of memorialise.
- mensurability — The quality of being mensurable.
- mental strain — a state of worry and tension caused by a situation
- mercenariness — The state or condition of being mercenary.
- mercer island — a city in W central Washington, on Mercer Island in Lake Washington, east of Seattle.
- mercerisation — A process of treating cotton with sodium hydroxide in order to make it more lustrous.
- merchandisers — Plural form of merchandiser.
- merchandising — the manufactured goods bought and sold in any business.