13-letter words containing t, h, e, r, m, i
- histaminergic — releasing histamine
- home straight — the section of a racecourse forming the approach to the finish
- homoeroticism — a tendency to be sexually aroused by a member of the same sex.
- homoiothermal — having a body temperature that is relatively constant and mostly independent of the temperature of the environment; warm-blooded (opposed to poikilothermic).
- homoiothermic — (of birds and mammals) having a constant body temperature, usually higher than the temperature of the surroundings; warm-blooded
- hormic theory — a theory that holds all behavior to be purposive, whether conscious or unconscious.
- housemistress — A female teacher in charge of a dormitory at a boarding school.
- hybrid system — a way of working, organizing, or doing something that is composed of elements of two separate systems
- hydrated lime — a soft, white, crystalline, very slightly water-soluble powder, Ca(OH) 2 , obtained by the action of water on lime: used chiefly in mortars, plasters, and cements.
- hygrometrical — Alternative form of hygrometric.
- hyperimmunity — the state of being immune from or insusceptible to a particular disease or the like.
- hypermagnetic — (physics) Extremely magnetic.
- hypermetrical — Hypermetric.
- hypermetropia — a condition of the eye in which parallel rays are focused behind the retina, distant objects being seen more distinctly than near ones; farsightedness (opposed to myopia).
- hypermetropic — Exhibiting or relating to hypermetropia.
- hypermobility — An excess amount of elasticity in a bodily joint.
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hypermotility — excessive motility of the stomach or intestine (opposed to hypomotility).
- hypermutation — (uncountable) Frequent mutation.
- hypernatremia — an abnormally high concentration of sodium in the blood.
- hyperromantic — extremely or excessively romantic
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hypsometrical — Of or pertaining to hypsometry.
- hyracotherium — eohippus.
- hysterotomies — Plural form of hysterotomy.
- iatrochemical — relating to iatrochemistry or iatrochemists
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- impact wrench — an electric or pneumatic power wrench with interchangeable toolhead attachments, used for installing and removing nuts, bolts, and screws.
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- inductothermy — the production of fever by means of electromagnetic induction.
- initial rhyme — beginning rhyme.
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isodrosotherm — a line on a weather map or chart connecting points having an equal dew point.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- kinematograph — cinematograph.
- light mineral — any rock-forming mineral that has a specific gravity of less than 2.8 and is generally light in color.
- lucifer match — friction match.
- macrolecithal — megalecithal.
- marbled white — any butterfly of the satyrid genus Melanargia, with panelled black-and-white wings, but technically a brown butterfly; found in grassland
- maria theresa — 1717–80, archduchess of Austria; queen of Hungary and Bohemia 1740–80 (wife of Francis II; mother of Joseph II, Leopold II, Marie Antoinette).
- marsh trefoil — buck bean.
- martin luther — Martin [mahr-tn;; German mahr-teen] /ˈmɑr tn;; German ˈmɑr tin/ (Show IPA), 1483–1546, German theologian and author: leader, in Germany, of the Protestant Reformation.
- martini-henry — a breech-loaded .45 caliber rifle adopted in 1871 as the standard British service weapon, using a center-fire metallic cartridge filled with black powder.
- mass hysteria — a condition affecting a group of persons, characterized by excitement or anxiety, irrational behavior or beliefs, or inexplicable symptoms of illness.
- master switch — a switch that can be used to turn on or off the supply of electricity to a building or to certain equipment
- matthew paris — Matthew, Matthew of Paris.
- mephobarbital — The drug methylphenobarbital.
- merchant ship — law: commercial vessel
- messerschmitt — any of several types of fighter aircraft extensively used by the German air force in World War II, especially the ME-109.
- metachromasia — A characteristic change in the colour of staining carried out in biological tissues, exhibited by certain aniline dyes when they bind to particular substances present in these tissues, called chromotropes.