17-letter words containing a, p, l, e, o
- negative polarity — the grammatical character of a word or phrase, such as ever or any, that may normally be used only in a semantically or syntactically negative or interrogative context
- nephelometrically — By means of nephelometry.
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
- non-proliferation — Non-proliferation is the limiting of the production and spread of something such as nuclear or chemical weapons.
- non-stereotypical — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- nonaccomplishment — Something that does not achieve the intended goal.
- not spare oneself — to exert oneself to the full
- occipital condyle — a protrusion on the occipital bone of the skull that forms a joint with the first cervical vertebra, enabling the head to move relative to the neck.
- oceanographically — In terms of oceanography.
- office by example — (language) (OBE) A sequel to QBE, described in publications by Moshe Zloof of IBM in the early 1980s but apparently never implemented.
- old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
- olympic peninsula — a large peninsula of W Washington
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- one-parent family — A one-parent family is a family that consists of one parent and his or her children living together.
- onomatopoetically — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
- open-channel flow — Open-channel flow is a liquid flow in a channel, which has a free liquid surface.
- operation sealion — the codename for Hitler's proposed invasion (1940) of Great Britain
- optical carrier 3 — (networking) (OC-3) A SONET rate of 3 * 51.84 = 155.52 megabits per second, which matches STS-3.
- optical carrier n — (networking) (OC-n) A SONET rate of n times 51.84 megabits per second.
- optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.
- oregon crab apple — a shrub or small tree, Malus fusca, of the rose family, of the northwestern coast of North America, having hairy leaves, white flowers, and yellow or green oblong fruit.
- palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
- palaeoarchaeology — the branch of archaeology concerned with the earliest fossil remains
- palaeoclimatology — the study of climates of the geological past
- palaeoethnobotany — the study of fossil seeds and grains to further archaeological knowledge, esp of the domestication of cereals
- paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- paleobiogeography — the study of the distribution of ancient plants and animals and their relation to ancient geographic features.
- paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
- palette of narmer — a king of Egypt identified by modern scholars as the Menes of tradition and depicted as the unifier of Upper and Lower Egypt on an ancient slate tablet (Narmer Palette or Palette of Narmer) c3200 b.c. with relief carvings on both sides.
- panama canal zone — Canal Zone.
- papanicolaou test — Pap test.
- paradoxical sleep — REM sleep.
- parallel computer — parallel processor
- parallelogram law — Mathematics, Physics. a rule for adding two vectors, as forces (parallelogram of forces) by placing the point of application of one at the point of origin of the other and obtaining their sum by constructing the line connecting the two remaining end points, the sum being the diagonal of the parallelogram whose adjacent sides are the two vectors.
- parker house roll — a soft dinner roll made by folding a flat disk of dough in half.
- particle velocity — the velocity of a point in a medium that is undergoing wave motion.
- parts per million — the number of units (of a substance) present in a million units of another substance
- pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- pebbleweave cloth — an irregularly textured material made from twisted yarn
- peer of the realm — any of a class of peers in Great Britain and Ireland entitled by heredity to sit in the House of Lords.
- peloponnesian war — a war between Athens and Sparta, 431–404 b.c., that resulted in the transfer of hegemony in Greece from Athens to Sparta.
- penalty shoot-out — In football, a penalty shoot-out is a way of deciding the result of a game that has ended in a draw. Players from each team try to score a goal in turn until one player fails to score and their team loses the game.
- pentachlorophenol — a white, crystalline, water-insoluble powder, C 6 Cl 5 OH, used chiefly in fungicides, disinfectants, and wood preservatives.
- pentylenetetrazol — a white, crystalline, bitter-tasting, water-soluble powder, C 6 H 1 0 N 4 , used as a respiratory and circulatory stimulant, especially in the treatment of barbiturate poisoning, and to induce a convulsive state in the treatment of certain mental diseases.
- periodical cicada — seventeen-year locust.
- peripheral vision — all that is visible to the eye outside the central area of focus; side vision.