13-letter words containing o, n, s, m
- grease monkey — a mechanic, especially one who works on automobiles or airplanes.
- grey-thompson — Tanni (Carys Davina) Baroness. born 1969, Welsh wheelchair athlete; won eleven gold medals for Britain in wheelchair racing in the Paralympic Games (1988–2004); a crossbench peer in the House of Lords since 2010
- grimes golden — a yellow variety of apple that ripens in late autumn.
- gross anatomy — the branch of anatomy that deals with structures that can be seen with the naked eye.
- guesstimation — (pejorative) An estimation made without good justification and often biased.
- gymnospermous — of or relating to a gymnosperm; having exposed or naked seeds.
- gynaecomastia — abnormal overdevelopment of the breasts in a man
- gynomonoecism — the condition of having female flowers and also flowers that have a pistil and stamen on the same plant
- gyromagnetism — the condition or state of being gyromagnetic
- haematogenous — producing blood
- haemodynamics — a branch of physiology that deals with the circulation of the blood
- hampton roads — a channel in SE Virginia between the mouth of the James River and Chesapeake Bay: battle between the Monitor and the Virginia 1862.
- handsome lake — 1735-1815; Seneca prophet, social reformer, & founder of a North American Indian religion named after him
- harmonisation — (British spelling) alternative spelling of harmonization.
- he's your man — he's the person needed (for a particular task, role, job, etc)
- heliocentrism — The theory that the sun is the center of the universe, (This theory is historically important and was widely accepted at the time of Copernicus, Galileo and Kepler.).
- hematogenesis — hematopoiesis.
- hematosalpinx — (medicine) A medical condition involving bleeding into the Fallopian tubes.
- histogramming — (mathematics) The construction of histograms.
- histrionicism — histrionic behaviour or acts
- home counties — The Home Counties are the counties which surround London.
- home invasion — an act or instance of entering an occupied residence with the intent to commit a burglary or other crime.
- home shopping — buying items via tv or internet
- homeownership — a person who owns a home.
- homeschooling — a school set up in the home.
- homogeneities — Plural form of homogeneity.
- homogeneously — composed of parts or elements that are all of the same kind; not heterogeneous: a homogeneous population.
- honey stomach — the crop of an ant, bee, or other hymenopterous insect, serving as a reservoir for honeydew and nectar, especially the enlarged crop of a honeybee in which nectar is acted on by enzymes to form honey.
- hopkinsianism — a modified Calvinism taught by Samuel Hopkins (1721–1803), that emphasized the sovereignty of God, the importance of His decrees, and the necessity of submitting to His will, accepting even damnation, if required, for His glory, and holding that ethics is merely disinterested benevolence.
- 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.
- humorlessness — The state, quality, or condition of lacking humor.
- hunter's moon — the first full moon following the harvest moon in late September or early October.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hymenopterans — Plural form of hymenopteran.
- hymenopterous — belonging or pertaining to the Hymenoptera, an order of insects having, when winged, four membranous wings, and comprising the wasps, bees, ants, ichneumon flies, and sawflies.
- idiomaticness — Idiomaticity.
- ignominiously — marked by or attended with ignominy; discreditable; humiliating: an ignominious retreat.
- illuminations — Plural form of illumination.
- immovableness — The quality of being immovable.
- immunisations — Plural form of immunisation.
- immunizations — Plural form of immunization.
- immunochemist — A chemist whose speciality is immunochemistry.
- immunogenesis — the production of an immune response
- immunosorbent — an insoluble surface to which a specific antibody is attached for the purpose of removing the corresponding antigen from a solution or suspension.
- impecuniosity — having little or no money; penniless; poor.
- impecuniously — In an impecunious manner.
- imperfections — A fault, blemish, or undesirable feature.
- imperiousness — domineering in a haughty manner; dictatorial; overbearing: an imperious manner; an imperious person.