13-letter words containing a, r, m, o, u
- half mourning — a mourning garb less somber than deep mourning, usually following a period of deep mourning.
- half-mourning — a mourning garb less somber than deep mourning, usually following a period of deep mourning.
- halobacterium — Any of various extremophiles, of genus Halobacterium, found in water saturated or nearly saturated with salt.
- harbourmaster — (British, Canada, nautical) An official responsible for the enforcement of regulations in a port.
- harvest mouse — an Old World field mouse, Micromys minutus, that builds a spherical nest among the stems of grains and other plants.
- he's your man — he's the person needed (for a particular task, role, job, etc)
- house manager — a business manager responsible for managing a theater and its staff.
- house-warming — a party to celebrate a person's or family's move to a new home.
- housewarmings — Plural form of housewarming.
- hypermutation — (uncountable) Frequent mutation.
- hyracotherium — eohippus.
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- importunately — urgent or persistent in solicitation, sometimes annoyingly so.
- inclinatorium — an instrument invented by Robert Norman in 1576, used to determine the degree to which a magnetic needle dips towards the earth; a dipping needle
- incouragement — Archaic form of encouragement.
- intercommunal — used or shared in common by everyone in a group: a communal jug of wine.
- intermountain — located between mountains or mountain ranges: an intermontane lake.
- isoamyl group — the univalent group C 5 H 11 .
- jacquard loom — a loom for producing elaborate designs in an intricate weave (Jacquard weave) constructed from a variety of basic weaves.
- jerusalem oak — feather geranium.
- labour market — When you talk about the labour market, you are referring to all the people who are able to work and want jobs in a country or area, in relation to the number of jobs there are available in that country or area.
- lambeosaurine — Any crested hadrosaurid dinosaur of the subfamily Lambeosaurinae.
- laundry-woman — laundress.
- low churchman — a person who advocates or follows Low Church practices.
- lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
- lump of sugar — lump1 (def 4).
- luxembourgian — of or relating to Luxembourg, its people, or their language.
- macrocephalus — Alternative spelling of macrocephalous.
- macroglobulin — A plasma globulin of high molecular weight.
- macromolecule — a very large molecule, as a colloidal particle, protein, or especially a polymer, composed of hundreds or thousands of atoms.
- macromutation — a mutation that has a profound effect on the resulting organism, as a change in a regulatory gene that controls the expression of many structural genes.
- macronucleate — having a macronucleus.
- macronutrient — Nutrition. any of the nutritional components of the diet that are required in relatively large amounts: protein, carbohydrate, fat, and the macrominerals.
- macrovascular — Of or pertaining to the larger blood vessels.
- maculopapular — (medicine, of a rash) Consisting of a flat, red area on the skin that is covered with small confluent bumps, as in scarlet fever and measles.
- magnesiferous — (geology) Containing magnesium.
- magnetiferous — (dated) Producing or conducting magnetism.
- major leaguer — either of the two main professional baseball leagues in the U.S.
- major-leaguer — a member of a major-league team.
- majority rule — the principle that decisions supported by more than half the people in a group have effect upon all the people in that group
- malonyl group — the bivalent group C 3 H 2 O 2 , derived from malonic acid.
- mammaliferous — containing the remains of mammals
- mandibuliform — Having the form of a mandible; - said especially of the maxill\u00e6 of an insect when hard and adapted for biting.
- manganiferous — containing manganese.
- manual worker — a person whose job involves working with the hands
- manufactories — Plural form of manufactory.
- many-coloured — having many colours
- mare chronium — an area in the southern hemisphere of Mars, appearing as a dark region when viewed telescopically from the earth.
- marrow squash — any of several squashes having a smooth surface, an oblong shape, and a hard rind.
- marvelousness — The quality or state of being marvelous.