13-letter words containing a, l, m, s, h, o
- homosexuality — sexual desire or behavior directed toward a person or persons of one's own sex.
- hothouse lamb — a lamb born in the fall or early winter, usually reared indoors, specially fed, and marketed when from 9 to 16 weeks of age.
- hypsometrical — Of or pertaining to hypsometry.
- john marshall — Alfred, 1842–1924, English economist.
- lamellaphones — Plural form of lamellaphone.
- leishmaniosis — Alt form leishmaniasis.
- lighthouseman — a lighthouse keeper
- loathsomeness — The property or nature that gives rise to revulsion, that inspires loathing.
- lymphangiomas — Plural form of lymphangioma.
- lymphatolysis — destruction of lymphatic vessels or of lymphoid tissue.
- lymphoblastic — (US, cytology, immunology) Of or pertaining to a lymphoblast.
- lymphomatosis — lymphoma spread throughout the body.
- lymphosarcoma — a malignant tumor in lymphatic tissue, caused by the growth of abnormal lymphocytes.
- macrocephalus — Alternative spelling of macrocephalous.
- magnet school — a public school with special programs and instruction that are not available elsewhere in a school district and that are specially designed to draw students from throughout a district, especially to aid in desegregation.
- marsh trefoil — buck bean.
- melancholious — (obsolete) melancholy.
- melanochroous — having dark-coloured or black skin
- mesencephalon — Anatomy. the midbrain.
- mesocephalism — mesocephaly
- mesocephalous — Alternative form of mesocephalic.
- mesotheliomas — Plural form of mesothelioma.
- metallophones — Plural form of metallophone.
- methodistical — Methodistic.
- microcephalus — An abnormally small head.
- multihospital — comprising or relating to several hospitals
- muscle shoals — former rapids of the Tennessee River in SW Alabama, changed into a lake by Wilson Dam: part of the Tennessee Valley Authority.
- 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.
- opthalmoscope — Misspelling of ophthalmoscope.
- 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.
- platform shoe — a shoe with a platform.
- plethysmogram — the recording of a plethysmograph.
- polythalamous — having multiple chambers
- psammophilous — living or growing in sand
- 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.
- 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.
- shopping mall — mall (def 1).
- shoulder arms — to bring the rifle vertically close to the right side with the muzzle uppermost and held at the trigger guard
- slasher movie — a film in which victims, often women, are slashed with knives, razors, etc
- small holding — a piece of land rented or sold to a farmer by county authorities for purposes of cultivation.