15-letter words containing o, p, i, l, a
- non-depreciable — capable of depreciating or being depreciated in value.
- non-duplicative — a copy exactly like an original.
- non-overlapping — to lap over (something else or each other); extend over and cover a part of; imbricate.
- non-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- nonbiographical — not biographical, not relating to biography or events in a person's life
- nondisciplinary — of, for, or constituting discipline; enforcing or administering discipline: disciplinary action.
- nonexperimental — pertaining to, derived from, or founded on experiment: an experimental science.
- nonexploitation — use or utilization, especially for profit: the exploitation of newly discovered oil fields.
- nonexploitative — not exploitative
- nonhospitalized — not hospitalized
- nonmetaphorical — not metaphorical; literal
- nonmetropolitan — Not metropolitan.
- nonoccupational — of or relating to an occupation, trade, or calling: occupational guidance.
- nonprecedential — Not precedential.
- nonprofessional — not a member of or trained in a specific profession.
- nonprofessorial — not professorial
- nonproportional — having due proportion; corresponding.
- nonsaponifiable — not capable of being saponified
- nonspecifically — in a nonspecific way
- nullarbor plain — a treeless, semiarid area of S Australia, contiguous to the Great Australian Bight.
- oil tanker pier — An oil tanker pier is a structure over water where oil tankers can stop and load or unload.
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- old age pension — An old age pension is a regular amount of money that people receive from the government when they have retired from work.
- open-pollinated — (of a flower) pollinated without human agency.
- opening balance — the amount of money in an account at the start of an accounting period
- operating cycle — the period of time between starting a business and making a profit
- operating table — table on which surgery is performed
- operationalised — Simple past tense and past participle of operationalise.
- operationalized — Simple past tense and past participle of operationalize.
- ophthalmologist — a doctor of medicine specializing in ophthalmology.
- ophthalmophobia — the fear of being stared at
- ophthalmoplegia — Paralysis of the muscles within or surrounding the eye.
- ophthalmoscopic — Of, pertaining to or using an ophthalmoscope.
- oppositionality — Quality of being oppositional.
- optical printer — a film printer used in making optical effects, consisting basically of a camera that photographs the image with special lenses to enlarge, reduce, distort, etc., and a projector that transfers the image to the print stock, as distinguished from a contact printer.
- optical pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
- optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical storage — optical disk drive
- optical tooling — the technique of establishing precise reference lines and planes by means of telescopic sights, especially for the purpose of aligning machinery, machine-shop work, etc.
- opus anglicanum — fine embroidery, esp of church vestments, produced in England c.1200–c.1350; characterized by the rich materials used, esp silver gilt thread
- oriental carpet — Oriental rug.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orthopaedically — in an orthopaedic manner
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- over-capitalise — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
- over-compliance — the act of conforming, acquiescing, or yielding.
- over-particular — of or relating to a single or specific person, thing, group, class, occasion, etc., rather than to others or all; special rather than general: one's particular interests in books.
- over-population — to fill with an excessive number of people, straining available resources and facilities: Expanding industry has overpopulated the western suburbs.
- overapplication — excessive application
- overcapitalized — Simple past tense and past participle of overcapitalize.