17-letter words containing e, p, i

non compos mentis — not of sound mind; mentally incapable of managing one's affairs.
non-comprehension — the act or process of comprehending.
non-corresponding — identical in all essentials or respects: corresponding fingerprints.
non-proliferation — Non-proliferation is the limiting of the production and spread of something such as nuclear or chemical weapons.
non-reciprocating — to give, feel, etc., in return.
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.
nonimpact printer — a printer that creates images without mechanically impacting the page, as an ink-jet or laser printer.
nonphotosynthetic — the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.
nonproductiveness — The quality of being nonproductive.
nonrepresentative — a person or thing that represents another or others.
noun pre-modifier — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
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.
oil of turpentine — a colorless, flammable, volatile essential oil having a penetrating odor and a pungent, bitter taste, obtained from turpentine oleoresin by distillation: used in paints and varnishes, and in medicine as a carminative, vermifuge, expectorant, rubefacient, and, formerly, as a diuretic.
old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
old contemptibles — the British expeditionary force to France in 1914
olympic peninsula — a large peninsula of W Washington
omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
on speaking terms — the act, utterance, or discourse of a person who speaks.
on the pig's back — successful; established
on-street parking — parking (of a car, vehicle, etc) that is or is allowed to be done on a street
one-parent family — A one-parent family is a family that consists of one parent and his or her children living together.
one-stop shopping — the provision of everything that a customer or client might require in one place
one-time password — (security) (OTP) A security system that requires a new password every time a user authenticates themselves, thus protecting against an intruder replaying an intercepted password. OTP generates passwords using either the MD4 or MD5 hashing algorithms. The equivalent term "S/Key", developed by Bellcore, is a trademark of Telcordia Technologies, so the name OTP is used increasingly. See RFC 1760 - "The S/KEY One-Time Password System" and RFC 1938 - "A One-Time Password System".
onomatopoetically — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
operating theatre — An operating theatre is a special room in a hospital where surgeons carry out medical operations.
operation sealion — the codename for Hitler's proposed invasion (1940) of Great Britain
operations centre — a centre where activities of a business, organization, etc, are administrated and take place
opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
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.
organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
origin of species — (On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) a treatise (1859) by Charles Darwin setting forth his theory of evolution.
ortho-nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
over-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
pacific tree frog — a common terrestrial frog, Hyla regilla, of western North America, having a dark stripe along each side of the head.
painted greenling — a greenling, Oxylebius pictus, inhabiting the Pacific coastal waters of North America, having a whitish body marked with black bands.
pair of compasses — compass (def 7)
palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
palaeoclimatology — the study of climates of the geological past
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.

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