12-letter words containing p, o, i, r
- minor planet — asteroid (def 1).
- mips project — Microprocessor without Interlocked Pipeline Stages
- mirror plant — a shrub, Coprosma repens, of the madder family, native to New Zealand and cultivated in warm regions, having glossy, often variegated leaves.
- misanthropes — Plural form of misanthrope.
- misanthropic — of, relating to, or characteristic of a misanthrope.
- misoperation — an act or instance, process, or manner of functioning or operating.
- misportrayal — the act of portraying.
- mispronounce — Pronounce (a word) incorrectly.
- mitteleuropa — Central Europe.
- mobius strip — a continuous, one-sided surface formed by twisting one end of a rectangular strip through 180° about the longitudinal axis of the strip and attaching this end to the other.
- money spider — any of certain small shiny brownish spiders of the family Linyphiidae
- monocropping — the use of land for growing only one type of crop.
- monodisperse — (of a colloid) Having particles of (approximately) the same size.
- monographing — Present participle of monograph.
- monomorphism — a one-to-one homomorphism.
- monopolizers — Plural form of monopolizer.
- monostrophic — consisting of stanzas or strophes all having the same metrical structure.
- monotriglyph — (in the Doric order) any intercolumniation having one whole triglyph.
- morphallaxis — Biology. the regeneration of a destroyed body part by the reorganization of its remaining cells.
- morphologies — Plural form of morphology.
- morphologist — the branch of biology dealing with the form and structure of organisms.
- morphotropic — of, pertaining to, or displaying morphotropy
- 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.
- mothproofing — Present participle of mothproof.
- motive power — any power used to impart motion; any source of mechanical energy.
- motu proprio — any of certain documents issued by the pope without counsel from others.
- mucoproteins — Plural form of mucoprotein.
- multiproblem — characterized by or experiencing several problems
- multiproduct — a thing produced by labor: products of farm and factory; the product of his thought.
- multipronged — having or composed of several prongs: a multipronged electric plug.
- multipurpose — able to be used for several purposes: a multipurpose lawn spray.
- mycoparasite — a parasitic fungus whose host is another fungus.
- mycoproteins — Plural form of mycoprotein.
- myringoscope — an instrument for examining the eardrum
- myrmecophile — An invertebrate or plant that has a symbiotic relationship with ants, such as being tended and protected by ants or living inside an ants' nest.
- myrmecophily — symbiosis with ants
- nanoparticle — a microscopic particle of matter that is measured on the nanoscale, usually one that measures less than 100 nanometers.
- naturopathic — (alternative medicine) Of or pertaining to naturopathy or to naturopaths.
- necrophiliac — an erotic attraction to corpses.
- necrophilism — necrophilia.
- necrophilous — displaying a preference for dead tissue, esp of certain bacteria and insects
- necropolises — Plural form of necropolis.
- neoanthropic — neanthropic.
- nephrologist — A physician whose speciality is nephrology.
- nephropathic — characterized by or relating to nephropathy
- nephroptosis — An abnormal condition in which the kidney drops down into the pelvis when the patient stands up.
- nephrotomies — Plural form of nephrotomy.
- neuroleptics — Plural form of neuroleptic.
- neuropathies — Plural form of neuropathy.
- neuropathist — a specialist in treating diseases of the nervous system; a neurologist