13-letter words containing o, a, t, h, s
- 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.
- mechanisation — Alternative spelling of mechanization.
- mesotheliomas — Plural form of mesothelioma.
- 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.
- metallophones — Plural form of metallophone.
- 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.
- metaphosphate — a salt or ester of metaphosphoric acid.
- methodistical — Methodistic.
- microhabitats — Plural form of microhabitat.
- misanthropist — a hater of humankind.
- miss the boat — a vessel for transport by water, constructed to provide buoyancy by excluding water and shaped to give stability and permit propulsion.
- 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).
- monophosphate — a salt containing only one phosphate group.
- monotherapies — Plural form of monotherapy.
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- mosquito hawk — nighthawk (def 1).
- mother abbess — the female head of a religious house of nuns
- mother teresa — Mother (Agnes Gonxha Bojaxhiu) 1910–97, Albanian nun: Nobel Peace Prize 1979 for work in the slums of Calcutta, India.
- moustache cup — mustache cup.
- multihospital — comprising or relating to several hospitals
- musicotherapy — the treatment of mental disorders with music
- musquash root — spotted cowbane.
- mycetophagous — That feeds on fungi.
- mythographies — Plural form of mythography.
- nanochemistry — (chemistry) The synthesis, analysis and characterization of chemical compounds at the nanoscale.
- nephropathies — Plural form of nephropathy.
- non-aesthetic — relating to the philosophy of aesthetics; concerned with notions such as the beautiful and the ugly.
- non-christian — (of a person, country, etc) not adhering to the Christian faith
- nonchauvinist — a person who is not a chauvinist
- nonexhaustive — exhausting a subject, topic, etc.; comprehensive; thorough: He published an exhaustive study of Greek vases.
- nonhistorical — Not based on or drawn from history.
- nonhysterical — not hysterical or funny
- north augusta — a city in W South Carolina.
- north by east — a point on the compass 11°15′ east of north. Abbreviation: NbE.
- north ossetia — an autonomous republic in S European Russia, in the N Caucasus. 3100 sq. mi. (8029 sq. km) Capital: Vladikavkaz.
- north sea gas — natural gas extracted from deposits beneath the North Sea
- north sea oil — oil extracted from deposits beneath the North Sea
- north-eastern — North-eastern means in or from the north-east of a region or country.
- northeasterly — of or located in the northeast.
- northeastward — the northeast.
- northwestward — the northwest.
- octagon house — a type of American house, c. 1850, having an octagonal perimeter to reduce exterior wall area.
- of all others — above all others
- off the rails — into or in a state of dysfunction or disorder