13-letter words containing h, e, a, t, s, o
- 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.
- 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.
- 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.
- musicotherapy — the treatment of mental disorders with music
- 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.
- nonexhaustive — exhausting a subject, topic, etc.; comprehensive; thorough: He published an exhaustive study of Greek vases.
- nonhysterical — not hysterical or funny
- 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
- on the parish — receiving parochial relief
- on the square — a rectangle having all four sides of equal length.
- open and shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- open-and-shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- opthalmoscope — Misspelling of ophthalmoscope.
- orchestra pit — musicians' seating in front of stage
- orchestra-pit — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- orchestralist — a person who writes or arranges orchestral music
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- orchestrators — Plural form of orchestrator.
- organ whistle — a steam or air whistle in which the jet is forced up against the thin edge of a pipe closed at the top.
- orthogonalise — to make (vectors, functions, etc.) orthogonal.
- orthographies — Plural form of orthography.
- orthosilicate — a silicate mineral
- ostreophagous — oyster-eating
- overhastiness — the condition of being overhasty