13-letter words containing o, h, m, s, l
- mesotheliomas — Plural form of mesothelioma.
- metallophones — Plural form of metallophone.
- methodistical — Methodistic.
- methodologies — a set or system of methods, principles, and rules for regulating a given discipline, as in the arts or sciences.
- methodologist — a set or system of methods, principles, and rules for regulating a given discipline, as in the arts or sciences.
- microcephalus — An abnormally small head.
- microphyllous — having microphylls
- middle school — a school intermediate between elementary school and high school, usually encompassing grades five or six through eight.
- middlesbrough — a seaport in NE England, on the Tees estuary.
- milk mushroom — any of the common latex-containing mushrooms of the genus Lactarius.
- minstrel show — a once popular type of stage show featuring comic dialogue, song, and dance in highly conventionalized patterns, performed by a troupe of actors traditionally comprising two end men, a chorus in blackface, and an interlocutor. Developed in the U.S. in the 19th century, this entertainment portrayed negative racial stereotypes and declined in popularity in the 20th century.
- mischievously — maliciously or playfully annoying.
- mohr's circle — a graphical construction enabling the stresses in the cross-section of a body to be determined if the principal stresses are known
- monochlorides — Plural form of monochloride.
- monotheletism — the 7th-century religious doctrine that stated that Christ has only one divine will but both a divine and a human nature
- monothelitism — a person who maintains that Christ has a single theanthropic will.
- mother's help — a woman employed to help look after children and help the mother in other ways
- multihospital — comprising or relating to several hospitals
- multiple shop — chain store.
- muscle shoals — former rapids of the Tennessee River in SW Alabama, changed into a lake by Wilson Dam: part of the Tennessee Valley Authority.
- myrmecophiles — Plural form of myrmecophile.
- mythologising — Present participle of mythologise.
- nephelometers — Plural form of nephelometer.
- nonhomologous — having the same or a similar relation; corresponding, as in relative position or structure.
- nonhomosexual — a person who is not homosexual
- normal school — (formerly) a school offering a two-year course and certification to high-school graduates preparing to be teachers, especially elementary-school teachers.
- north olmsted — a city in NE Ohio, near Cleveland.
- opthalmoscope — Misspelling of ophthalmoscope.
- overembellish — Make (something) too ornate or complicated.
- peach blossom — the flower of the peach tree: the state flower of Delaware.
- pelham holles — Thomas, 1st Duke of Newcastle, 1693–1768, British statesman: prime minister 1754–56, 1757–62 (brother of Henry Pelham).
- pelham-holles — Thomas, 1st Duke of Newcastle, 1693–1768, British statesman: prime minister 1754–56, 1757–62 (brother of Henry Pelham).
- phenomenalism — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- physics model — a variety of software illustrating the movement of objects in reality, used by designers of video games to improve verisimilitude
- pistol shrimp — any common shrimp of the family Alphaeidae, distinguished by the snapping sound made by its enlarged claw.
- platform shoe — a shoe with a platform.
- plethysmogram — the recording of a plethysmograph.
- polychotomous — divided into multiple parts
- polythalamous — having multiple chambers
- psammophilous — living or growing in sand
- reform school — reformatory (def 2).
- rhinoscleroma — an inflammatory bacterial disease of the nose that is mostly found in Africa and Central America
- scholasticism — (sometimes initial capital letter) the system of theological and philosophical teaching predominant in the Middle Ages, based chiefly upon the authority of the church fathers and of Aristotle and his commentators.
- school system — state education
- schoolmarmish — a female schoolteacher, especially of the old-time country school type, popularly held to be strict and priggish.
- semiochemical — a chemical substance produced by an animal and used in communications, such as a pheromone
- shambolically — in a completely disorganized or chaotic manner
- shear modulus — The shear modulus of a material is how stiff or rigid it is. It is equal to the shear stress divided by the shear strain.
- shell company — A shell company is a company that another company takes over in order to use its name to gain an advantage.
- shell program — A shell program is a basic computer program that provides a framework within which the user can develop the program to suit their own needs.