11-letter words containing p, e, r, t
- neuroleptic — (chiefly of a drug) tending to reduce nervous tension by depressing nerve functions.
- neuropathic — any diseased condition of the nervous system.
- neuroplasty — Any surgery to repair nerve tissue.
- neuropteral — (zoology) Of or pertaining to the Neuroptera.
- neuropteran — neuropterous.
- neurotrophy — the influence of the nerves on the nutrition and maintenance of body tissue.
- neurotropic — having an affinity for nerve cells or tissue: a neurotropic virus; a neurotropic drug.
- neutropenia — a decrease in the number of neutrophils in the blood: mild, moderate, or severe neutropenia.
- neutropenic — Having neutropenia.
- neutrophile — (biology) Any organism that thrives in a relatively neutral pH.
- neutrophils — Plural form of neutrophil.
- neutrosophy — (philosophy) (From Latin "neuter" - neutral, Greek "sophia" - skill/wisdom) A branch of philosophy, introduced by Florentin Smarandache in 1980, which studies the origin, nature, and scope of neutralities, as well as their interactions with different ideational spectra. Neutrosophy considers a proposition, theory, event, concept, or entity, "A" in relation to its opposite, "Anti-A" and that which is not A, "Non-A", and that which is neither "A" nor "Anti-A", denoted by "Neut-A". Neutrosophy is the basis of neutrosophic logic, neutrosophic probability, neutrosophic set, and neutrosophic statistics.
- newburyport — a city in NE Massachusetts.
- nippleworts — Plural form of nipplewort.
- nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- nociceptors — Plural form of nociceptor.
- noncomputer — Not of or pertaining to computers.
- nondescript — of no recognized, definite, or particular type or kind: a nondescript novel; a nondescript color.
- nonoperatic — not operatic
- nonparental — of or relating to a parent.
- nonpregnant — Not pregnant.
- nonpurulent — full of, containing, forming, or discharging pus; suppurating: a purulent sore.
- nontemporal — not indicating time
- north slope — the northern coastal area of Alaska, rich in oil and natural gas: so called because it is N of the Brooks Range sloping down to the Arctic Ocean.
- numberplate — Alternative spelling of number plate.
- obtemperate — (obsolete) To obey.
- odontophore — a structure in the mouth of most mollusks over which the radula is drawn backward and forward in the process of breaking up food.
- ommatophore — a tentacle or movable stalk bearing an eye, as in certain snails.
- omnipresent — present everywhere at the same time: the omnipresent God.
- oncoprotein — (genetics, oncology, protein) A protein that is coded for by an oncogene.
- open letter — a letter, often of protest or criticism, addressed to a specific person, but intended to be brought to public attention.
- open market — an unrestricted competitive market in which any buyer and seller is free to participate.
- open secret — something supposedly secret but actually known quite generally.
- open string — a staircase string whose top follows the profile of the steps in such a way that the treads project beyond its outer face.
- open-hearth — noting, pertaining to, or produced by the open-hearth process.
- openhearted — Frank and candid.
- operability — that can be treated by a surgical operation. Compare inoperable (def 2).
- operational — able to function or be used; functional: How soon will the new factory be operational?
- operatively — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- operativity — a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.
- operatories — a room or other area with special equipment and facilities, as for dental surgery, scientific experiments, or the like.
- operculated — relating to the operculum
- oppertunity — Misspelling of opportunity.
- oppignorate — to promise or give as security
- opportunely — appropriate, favorable, or suitable: an opportune phrase for the occasion.
- optic nerve — either one of the second pair of cranial nerves, consisting of sensory fibers that conduct impulses from the retina to the brain.
- optocoupler — An optoisolator.
- optometrist — a licensed professional who practices optometry.
- ornithopter — a heavier-than-air craft designed to be propelled through the air by flapping wings.
- orthopaedic — of or relating to orthopedics.