15-letter words containing n, o, r, m
- hopeful monster — a hypothetical individual organism that, by means of a fortuitous macromutation permitting an adaptive shift to a new mode of life, becomes the founder of a new type of organism and a vehicle of macroevolution.
- hopper casement — a casement with a sash hinged at the bottom.
- horned cucumber — a tropical African plant, Cucumis metuliferus, having fruit with spiky, orange skin and jellylike pulp that tastes like cucumbers.
- horned screamer — a screamer, Anhima cornuta, of tropical South America, having a long, slender hornlike process projecting from the forehead.
- horner's method — a technique, involving successive substitutions, for approximating the real roots of an equation with real coefficients.
- hughes syndrome — a condition of the autoimmune system caused by antibodies reacting against phospholipids, leading to thrombosis
- human geography — the study of the interaction between human beings and their environment in particular places and across spatial areas.
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- human resources — (used with a plural verb) people, especially the personnel employed by a given company, institution, or the like.
- hurdle champion — a hurdler who has defeated all others in a competition
- hydrodynamicist — a specialist in hydrodynamics.
- hydromechanical — Of or pertaining to hydromechanics.
- hydroxonium ion — a positive ion, H3O+, formed by the attachment of a proton to a water molecule: occurs in solutions of acids and behaves like a hydrogen ion
- hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
- hyper-emotional — pertaining to or involving emotion or the emotions.
- hyperovarianism — precocious sexuality in girls due to abnormally heavy ovarian secretion.
- hypersomnolence — sleepy; drowsy.
- hypodorian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from A to A, with the final on D.
- hypoproteinemia — an abnormally low concentration of protein in the blood.
- ibero-maurusian — of or relating to an Epipaleolithic culture of northwestern Africa that preceded the Capsian culture and was once erroneously thought to have originated in southwestern Europe; characterized by the use of backed bladelets, occupation of the maritime plain, and the hunting of the Barbary sheep.
- image converter — a device for producing a visual image formed by other electromagnetic radiation such as infrared or ultraviolet radiation or X-rays
- immortalization — to bestow unending fame upon; perpetuate.
- immune response — any of the body's immunologic reactions to an antigen.
- immunoadsorbent — immunosorbent.
- immunochemistry — the study of the chemistry of immunologic substances and reactions.
- immunomodulator — a substance that affects the functioning of the immune system
- immunoreactions — Plural form of immunoreaction.
- imperial gallon — a British gallon used in liquid and dry measurement equivalent to 1.2 U.S. gallons, or 4.54 liters.
- imponderability — The state or characteristic of being imponderable.
- importunateness — Quality of being importunate.
- impressionistic — a person who follows or adheres to the theories, methods, and practices of impressionism, especially in the fields of painting, music, or literature.
- improvisational — the art or act of improvising, or of composing, uttering, executing, or arranging anything without previous preparation: Musical improvisation involves imagination and creativity.
- in some measure — a unit or standard of measurement: weights and measures.
- in the doldrums — miserable, depressed
- in the majority — the largest group
- in your dreams! — You say `In your dreams!' when you think that what someone wants is never going to happen or be true.
- incendiary bomb — a bomb that is designed to start fires
- inch of mercury — a unit of atmospheric pressure, being the pressure equal to that exerted by a column of mercury one inch high under standard conditions of temperature and gravity: 33.864 millibars. Abbreviation: in. Hg.
- incommensurable — not commensurable; having no common basis, measure, or standard of comparison.
- incommensurably — In an incommensurable manner; immeasurably.
- incomparability — beyond comparison; matchless or unequaled: incomparable beauty.
- incomprehension — lack of comprehension or understanding: The audience listened politely but with incomprehension.
- incomprehensive — not comprehensive.
- indemnity cover — cover providing insurance against damage or loss
- indetermination — the quality or condition of being indeterminate.
- induction motor — a type of electric motor in which alternating current from a power source is fed through a primary winding and induces a current in a secondary winding, with the parts arranged so that the resulting magnetic field causes a movable rotor to rotate with respect to a fixed stator.
- information age — a period beginning about 1975 and characterized by the gathering and almost instantaneous transmission of vast amounts of information and by the rise of information-based industries.
- informationally — In an informational manner.
- informativeness — giving information; instructive: an informative book.
- infundibuliform — having the shape of a funnel; funnel-shaped.