15-letter words containing o, r, t, h, n, m
- harmonic motion — periodic motion consisting of one or more vibratory motions that are symmetric about a region of equilibrium, as the motion of a vibrating string of a musical instrument.
- haute-normandie — a region of NW France, on the English Channel: generally fertile and flat
- heart tamponade — tamponade (def 2).
- hearth and home — domestic realm
- hemadynamometer — An instrument by which the pressure of the blood in the arteries, or veins, is measured by the height to which it will raise a column of mercury.
- hematoporphyrin — a porphyrin made by treating haemoglobin with acid, used to treat cancer in photodynamic therapy
- hemicraniectomy — (surgery) The surgical removal of half of the cranium to enable brain surgery; hemicraniotomy.
- hepatocarcinoma — (pathology) cancer of the liver.
- heterochromatin — the dense, highly stainable part of a chromosome.
- heteronormative — noting or relating to behavior or attitudes consistent with traditional male or female gender roles and the assumption of heterosexuality as the norm: our heteronormative culture.
- honeycomb tripe — a part of the inner lining of the stomach of the steer, calf, hog, or sheep, resembling a honeycomb in appearance and considered a table delicacy.
- 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.
- horner's method — a technique, involving successive substitutions, for approximating the real roots of an equation with real coefficients.
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- hydrodynamicist — a specialist in hydrodynamics.
- hyper-emotional — pertaining to or involving emotion or the emotions.
- hypoproteinemia — an abnormally low concentration of protein in the blood.
- immunochemistry — the study of the chemistry of immunologic substances and reactions.
- in the doldrums — miserable, depressed
- in the majority — the largest group
- isothermal-line — Meteorology. a line on a weather map or chart connecting points having equal temperature.
- jerusalem thorn — See under Christ's-thorn.
- john chrysostom — Saint John, a.d. 347?–407, ecumenical patriarch of Constantinople.
- keratoacanthoma — (pathology) A common low-grade malignancy of the skin.
- kingsford-smith — Sir Charles (Edward). 1897–1935, Australian aviator and pioneer (with Charles Ulm) of trans-Pacific and trans-Tasman flights
- magnetorheology — the study of the relationships between the particle and fluid properties of magnetic suspensions.
- make the rounds — having a flat, circular surface, as a disk.
- man of the hour — a man who is honored by a group.
- marathon runner — person who runs in a marathon race
- matron of honor — a married woman acting as the principal attendant of the bride at a wedding.
- mechanoreceptor — any of the sense organs that respond to vibration, stretching, pressure, or other mechanical stimuli.
- mechlorethamine — a nitrogen mustard, C 5 H 1 1 Cl 2 N, used in combination with other drugs in the treatment of Hodgkin's disease and certain other cancers.
- metanitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- methylene group — the bivalent organic group >CH 2 , derived from methane.
- methylpropanone — (organic compound) The industrial solvent butanone.
- microangiopathy — any disease of the small blood vessels.
- microtechnology — technology that uses microelectronics
- moment of truth — the moment in a bullfight at which the matador is about to make the kill.
- monkey, scratch — scratch monkey
- montes riphaeus — a mountain range in the third quadrant of the visible face of the moon.
- montgomeryshire — a historic county in Powys, in central Wales.
- moreton bay ash — an Australian eucalyptus tree, E. tessellaris, having drooping branches and grey bark
- morphine addict — a person who is addicted to the drug morphine
- morphosyntactic — involving both morphology and syntax.
- most honourable — a courtesy title applied to marquesses and members of the Privy Council and the Order of the Bath
- mother language — a language from which another language is descended; parent language.
- motoring school — an organization that provides driving lessons
- mount suribachi — a volcanic hill in the Volcano Islands, on Iwo Jima: site of a US victory (1945) over the Japanese in World War II
- mouthwateringly — In a mouthwatering manner.