14-letter words containing o, p, e, r, a, l
- nephroblastoma — a malignant tumour arising from the embryonic kidney that occurs in young children, esp in the age range 3–8 years
- neuropathology — the pathology of the nervous system.
- non perishable — not subject to rapid deterioration or decay: A supply of nonperishable food was kept for emergencies.
- non-reciprocal — given or felt by each toward the other; mutual: reciprocal respect.
- non-recoupable — to get back the equivalent of: to recoup one's losses by a lucky investment.
- non-repairable — to restore to a good or sound condition after decay or damage; mend: to repair a motor.
- non-reportable — an account or statement describing in detail an event, situation, or the like, usually as the result of observation, inquiry, etc.: a report on the peace conference; a medical report on the patient.
- non-repudiable — to reject as having no authority or binding force: to repudiate a claim.
- non-respirable — capable of being respired.
- nonexplanatory — not explanatory
- nonoperational — able to function or be used; functional: How soon will the new factory be operational?
- nonoverlapping — Not overlapping.
- nonparticulate — Not particulate.
- nonpolarizable — not able to be polarized
- nonpredictable — Not predictable.
- nonprejudicial — causing prejudice or disadvantage; detrimental.
- nonspectacular — not spectacular
- normal pentane — pentane (def 2).
- normal-pentane — a hydrocarbon of the methane series, existing in three liquid isomeric forms.
- nuclear option — the use of or power to use nuclear weapons
- nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei.
- octave coupler — a mechanism on an organ and on some harpsichords that enables keys or pedals an octave apart to be played simultaneously
- old-line party — either the Liberal Party or the Conservative Party
- omphalocentric — Overly introspective and inclined to navel-gazing.
- open classroom — a spacious instructional area shared by several groups or classes in elementary school, permitting more individualized, less supervised project learning and movement of pupils from one activity to another.
- open-reel tape — audiotape, usually 1/4 inch (64 mm) wide, wound on a single reel and requiring a separate take-up reel for playing or recording.
- operationalise — Alternative spelling of operationalize.
- operationalism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- operationalist — a person who adheres to operationalism
- operationalize — Put into operation or use.
- ophthalmometer — an instrument for measuring the reflection of an image on the surface of the cornea and other capacities of the eye, used chiefly for determining the presence and degree of astigmatism.
- ophthalmometry — the measurement and determination of the eye's defects and powers of refraction
- optical isomer — any of two or more isomers exhibiting optical isomerism.
- oriental poppy — a poppy, Papaver orientale, of Asia, having bristly stems and leaves and showy scarlet, pink, or white flowers, cultivated as an ornamental.
- oriental topaz — a variety of corundum resembling topaz in colour and used as a gemstone
- overcapitalize — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
- overcompliance — excessive compliance
- overcomplicate — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- overparticular — precise beyond necessity
- overpopulation — to fill with an excessive number of people, straining available resources and facilities: Expanding industry has overpopulated the western suburbs.
- overspecialize — to specialize to an excessive degree
- ownership flat — a flat owned by the occupier
- palaeanthropic — relating to or denoting the earliest variety of man
- paleoanthropic — pertaining to prehistoric humans.
- paleogeography — the science of representing the earth's geographic features belonging to any part of the geologic past.
- paleontography — the formal description of fossils
- para-toluidine — a white, flaky, lustrous, very slightly water-soluble solid, C 7 H 9 N, the para isomer of toluidine, used in the manufacture of dyes, in organic synthesis, and as a reagent in tests for nitrite, lignin, and phloroglucinol.
- parallel axiom — the axiom in Euclidean geometry that only one line can be drawn through a given point so that the line is parallel to a given line that does not contain the point.
- parallel forth — Forth For the MPP.
- pararosaniline — a colourless crystalline alcohol, a component of the red dye fuchsin, also used as a biological stain