12-letter words containing i, s, o, p, e, r
- interspinous — located between spines, esp between the vertebrae
- interspousal — Often, spousals. the ceremony of marriage; nuptials.
- introspected — Simple past tense and past participle of introspect.
- introspector — to practice introspection; consider one's own internal state or feelings.
- ionophoresis — electrophoresis, esp of small ions
- ionospherist — Someone who studies the ionosphere.
- iron pyrites — pyrite; fool's gold.
- irresponsive — not responsive; not responding, or not responding readily, as in speech, action, or feeling.
- isoperimeter — a figure whose perimeter is equal to that of another.
- isoperimetry — the study of isoperimeters.
- isoprenaline — a compound that is a derivative of adrenaline and that is used to treat asthma and bronchial conditions. Formula: C11H17NO3
- isopropoxide — (chemistry) The univalent anion derived from isopropanol by removal of the hydroxy hydrogen atom; and salt containing this anion.
- japonaiserie — stylistic characteristics, as in art, decor, or film, influenced by or reflective of Japanese culture and tradition.
- jeopardising — Present participle of jeopardise.
- laparotomies — Plural form of laparotomy.
- lepidosirens — Plural form of lepidosiren.
- leprosariums — Plural form of leprosarium.
- life support — equipment to sustain a patient's life
- life-support — of or relating to equipment or measures that sustain or artificially substitute for essential body functions, as breathing or disposal of body wastes: Without life-support equipment, the patient might die.
- ligniperdous — (of insects) wood-destroying
- linespersons — Plural form of linesperson.
- lipoproteins — Plural form of lipoprotein.
- lithospermum — any annual or perennial herbs and small shrubs of the genus lithospermum, of the borage family, native to Europe, N America, and northern Asia, and having white, blue, or yellow flowers
- lithospheric — Of or pertaining to the lithosphere.
- low-spirited — depressed; dejected: He is feeling rather low-spirited today.
- madreporites — Plural form of madreporite.
- marine corps — a branch of the U.S. Armed Forces trained for land, sea, and air combat, typically for land combat in conjunction with an amphibious or airborne landing, and whose commandant is responsible to the secretary of the navy.
- master point — a point awarded to a bridge player who has won or placed in an officially recognized tournament.
- mastigophore — Any flagellate of the phylum Mastigophora.
- media person — a person who works in the mass media
- mediatorship — the position of a mediator
- metamorphism — Geology. a change in the structure or constitution of a rock due to natural agencies, as pressure and heat, especially when the rock becomes harder and more completely crystalline.
- metamorphist — a member of a group of 16th century Christians who believed that the humanly body of Jesus Christ metamorphosed into God during the Ascension
- metropolises — any large, busy city.
- microamperes — Plural form of microampere.
- microcapsule — a tiny capsule, 20–150 microns in diameter, used for slow-release application of drugs, pesticides, flavors, etc.
- microforceps — (surgery) A very small forceps.
- micropterous — (of certain animals, esp some types of ant) having small reduced wings
- microscopies — Plural form of microscopy.
- mifepristone — an antigestational drug, C 29 H 35 NO 2 , that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone.
- mips project — Microprocessor without Interlocked Pipeline Stages
- misanthropes — Plural form of misanthrope.
- misoperation — an act or instance, process, or manner of functioning or operating.
- mispronounce — Pronounce (a word) incorrectly.
- money spider — any of certain small shiny brownish spiders of the family Linyphiidae
- monodisperse — (of a colloid) Having particles of (approximately) the same size.
- monopolizers — Plural form of monopolizer.
- morphologies — Plural form of morphology.
- morris jesup — Cape, a cape of N Greenland, on the Arctic Ocean, 440 miles (710 km) from the North Pole: northernmost land point in the world.
- mucoproteins — Plural form of mucoprotein.