13-letter words containing m, o, n, r
- graminivorous — feeding or subsisting on grass: a graminivorous bird.
- grand old man — a highly respected, usually elderly man who has been a major or the most important figure in a specific field for many years.
- grandma moses — Anna Mary Robertson ("Grandma Moses") 1860–1961, U.S. painter.
- grandmotherly — of or characteristic of a grandmother.
- granulomatous — an inflammatory tumor or growth composed of granulation tissue.
- grease monkey — a mechanic, especially one who works on automobiles or airplanes.
- green monitor — Advanced Power Management
- gregor mendel — Gregor Johann [greg-er yoh-hahn;; German grey-gawr yoh-hahn] /ˈgrɛg ər ˈyoʊ hɑn;; German ˈgreɪ gɔr ˈyoʊ hɑn/ (Show IPA), 1822–84, Austrian monk and botanist.
- 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.
- gymnospermous — of or relating to a gymnosperm; having exposed or naked seeds.
- gynandromorph — an individual exhibiting morphological characteristics of both sexes.
- gyromagnetism — the condition or state of being gyromagnetic
- habit-forming — tending to cause or encourage addiction, especially through physiological dependence: habit-forming drugs.
- haemorrhaging — Present participle of haemorrhage.
- half mourning — a mourning garb less somber than deep mourning, usually following a period of deep mourning.
- half-marathon — running: 13-mile footrace
- half-mourning — a mourning garb less somber than deep mourning, usually following a period of deep mourning.
- hammond organ — an electric organ with two keyboards, electronic tone generation, and a wide variety of tone colours: invented in 1934
- 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.
- harmonic mean — the mean obtained by taking the reciprocal of the arithmetic mean of the reciprocals of a set of nonzero numbers.
- harmonic tone — a tone produced by suppressing the fundamental tone and bringing into prominence one of its overtones.
- harmonisation — (British spelling) alternative spelling of harmonization.
- harmonization — to bring into harmony, accord, or agreement: to harmonize one's views with the new situation.
- hatemongering — The behaviour of a hatemonger; the spreading of hatred.
- he's your man — he's the person needed (for a particular task, role, job, etc)
- heart monitor — a machine that registers the activity of the heart
- 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.).
- hemiterpenoid — (chemistry) a terpenoid having a C5 skeleton.
- hemp agrimony — a European composite plant, Eupatorium cannabinum, having dull purplish flowers.
- here document — (operating system) Data included in a Unix shell script or Perl script using the "<<" syntax.
- histogramming — (mathematics) The construction of histograms.
- histrionicism — histrionic behaviour or acts
- homeownership — a person who owns a home.
- homofullerene — (chemistry) Any of various compounds formally derived from a fullerene by the insertion of a methylene group between adjacent carbon atoms.
- honore morrow — Honoré Willsie [on-uh-rey wil-see,, on-uh-rey] /ˈɒn əˌreɪ ˈwɪl si,, ˌɒn əˈreɪ/ (Show IPA), 1880–1940, U.S. novelist.
- hotel manager — sb who runs a hotel
- 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.
- howler monkey — Central American simian variety
- 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.
- hydrogen bomb — a bomb, more powerful than an atomic bomb, that derives its explosive energy from the thermonuclear fusion reaction of hydrogen isotopes.
- hydromorphone — A synthetic narcotic analgesic, (4,5 alpha-epoxy-3-hydroxy-17-methyl morphinan-6-one), similar to morphine and heroin. It is used for moderate to severe pain under the trade name Dilaudid.
- hydronium ion — the hydrogen ion bonded to a molecule of water, H 3 O + , the form in which hydrogen ions are found in aqueous solution.
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hymenopterans — Plural form of hymenopteran.