16-letter words containing r, i, p, a
- literacy project — a project, plan or scheme to increase literacy in a country, area, etc
- lithographically — In the manner of lithography.
- lizard peninsula — a promontory in SW England, in SW Cornwall: the southernmost point in Great Britain
- logical operator — any of the Boolean symbols or functions, as AND, OR, and NOT, denoting a Boolean operation; Boolean operator.
- lord proprietary — (in Colonial America) an owner, governor, or grantee of a proprietary colony
- lower palatinate — See under Palatinate (def 1).
- lymphangiography — x-ray visualization of lymph vessels and nodes following injection of a contrast medium.
- mach's principle — the proposition that there is no absolute space and that the inertia and acceleration of a body are determined by all of the matter of the universe.
- machine operator — someone who operates mechanical equipment
- macrolepidoptera — a collector's name for that part of the lepidoptera that comprises the butterflies and the larger moths (noctuids, geometrids, bombycids, springtails, etc): a term without taxonomic significance
- magnetic pyrites — Mineralogy. pyrrhotite.
- majority opinion — an opinion in a case that is shared by more than half of the members of a court
- make a pitch for — to give verbal support to
- malapportionment — (of a state or other political unit) poorly apportioned, especially divided, organized, or structured in a manner that prevents large sections of a population from having equitable representation in a legislative body.
- mallowpuff māori — a Māori who is considered to behave like a white person
- malpighian layer — the deep, germinative layer of the epidermis.
- malpractice suit — a lawsuit brought against a professional accused of illegal or unethical practices or neglect of duty
- mammographically — Using a mammograph, by means of mammograph.
- man booker prize — an annual prize for a work of Commonwealth or Irish fiction of £50,000, awarded as the Booker Prize from 1969–2002
- manic depression — bipolar disorder.
- manic-depressive — suffering from bipolar disorder.
- mari el republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Yoshkar-Ola. Pop: 728 000 (2002). Area: 23 200 sq km (8955 sq miles)
- marriage partner — a person you are married to
- marriage portion — dowry.
- marseille prolog — (language) One of the two main dialects of Prolog, the other being Edinburgh Prolog. The difference is largely syntax. The original Marseille Interpreter (1973) was written in Fortran.
- marsupialization — (surgery) The surgical technique of cutting a slit into a cyst and suturing its edges to form a continuous surface from the exterior to the interior of the cyst, allowing it to drain freely.
- matthew of paris — c1200–59, English chronicler.
- mechanoreception — The action of a mechanoreceptor.
- mechanoreceptive — Responsive to mechanical stimuli such as sound and touch.
- media atropatene — an ancient region in NW Iran, formerly a part of Media.
- megacorporations — Plural form of megacorporation.
- megasporogenesis — the formation and development of megaspores.
- menippean satire — a form of satire that is indirect and nonrealistic in approach and that consists typically of a loosely organized narrative incorporating a series of dialogues between representatives of various points of view
- menstrual period — the bleeding from the womb that occurs approximately monthly in nonpregnant women of reproductive age
- mercantile paper — commercial paper.
- metamorphization — Process or action of metamorphizing.
- metamorphosising — Present participle of metamorphosise.
- methyl parathion — a synthetic pesticide, C 8 H 1 0 NO 5 PS, used in the control of mites and various insects, as aphids, boll weevils, and cutworms.
- microangiopathic — Of, pertaining to or accompanied by microangiopathy.
- microencapsulate — (transitive) To embed by means of microencapsulation.
- microgametophyte — (biology) Any gametophyte that develops from a microspore.
- microlepidoptera — a collector's name for the smaller moths: a term without taxonomic significance
- micromanipulator — A device, used for micromanipulation, consisting of microscopic needles and instruments viewed through a microscope.
- microphotographs — Plural form of microphotograph.
- microphotography — microfilm (def 1).
- microprogramming — microcode
- micropropagation — the propagation of plants from tissue cultures, often from single cells.
- mineral deposits — amounts of minerals that occur naturally in particular areas
- miniature poodle — a breed of poodle, bred to be much smaller than standard poodles
- misanthropically — In a misanthropic manner.