16-letter words containing p, a, r, o
- land-poor farmer — a farmer who owns much unprofitable land and lacks the money to maintain its fertility or improve it
- laparoscopically — By means of laparoscopy.
- laplace operator — the operator ∂2/∂x2 + ∂2/∂y2 + ∂2/∂z2,
- large-print book — a book where the text is printed in larger text than normal, so as to make it easier to read, esp for the visually impaired
- law of parsimony — a principle according to which an explanation of a thing or event is made with the fewest possible assumptions.
- learning process — a process of learning
- legal separation — judicial separation.
- leptosporangiate — (of ferns) having each sporangium developing from a single cell, rather than from a group, and normally with specialized explosive spore dispersal
- lesser spearwort — a Eurasian ranunculaceous plant, R. flammula, of the genus Ranunculus, which grows in wet places and has long narrow leaves and yellow flowers
- levallois-perret — a suburb of Paris, in N France, on the Seine.
- literacy project — a project, plan or scheme to increase literacy in a country, area, etc
- lithographically — In the manner of lithography.
- 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
- lost-wax process — a process of investment casting in which a refractory mold is built up around a pattern of wax and then baked so as to melt and drain off the wax.
- lower palatinate — See under Palatinate (def 1).
- lymphangiography — x-ray visualization of lymph vessels and nodes following injection of a contrast medium.
- macapagal arroyo — Gloria
- machine operator — someone who operates mechanical equipment
- macpherson strut — an automobile suspension-system component that consists of a strut combined with a spring and shock absorber and connects the wheel to the frame of the vehicle.
- 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
- macrophotography — Photography that is done up close; close-up photography.
- magnetoreceptors — Plural form of magnetoreceptor.
- 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.
- malchus-porphyry — (Malchus) a.d. c233–c304, Greek philosopher.
- mallowpuff māori — a Māori who is considered to behave like a white person
- 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
- mangrove snapper — gray snapper.
- manic depression — bipolar disorder.
- maremma sheepdog — a large strongly-built sheepdog of a breed with a long, slightly wavy, white coat
- 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.
- mechanoreceptors — Plural form of mechanoreceptor.
- media atropatene — an ancient region in NW Iran, formerly a part of Media.
- megacorporations — Plural form of megacorporation.
- megaphanerophyte — any tree with a height over 30 metres
- megasporogenesis — the formation and development of megaspores.
- menstrual period — the bleeding from the womb that occurs approximately monthly in nonpregnant women of reproductive age
- 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.