15-letter words containing a, t, p, o
- noncontemporary — not contemporary
- nondepartmental — not limited to or related to a specific department
- nonencapsulated — not encapsulated
- 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
- nonincorporated — Not incorporated.
- nonmetaphorical — not metaphorical; literal
- nonmetropolitan — Not metropolitan.
- nonoccupational — of or relating to an occupation, trade, or calling: occupational guidance.
- nonpartisanship — The quality of not being partisan, of remaining politically independent.
- nonphotographic — not involving photographic equipment or techniques
- nonprecedential — Not precedential.
- nonproportional — having due proportion; corresponding.
- nonpsychiatrist — a person who is not a psychiatrist
- nonpsychoactive — Not psychoactive.
- northern paiute — a member of an American Indian people of Nevada, Oregon, and California, allied to the Paiute.
- northern parula — any of several American wood warblers of the genus Parula, especially P. americana (northern parula) having bluish plumage with a yellow throat and breast.
- not to speak of — You can use not to speak of when adding something which your previous statement also applies to, or applies to even more than other things.
- notour bankrupt — a bankrupt who has failed to discharge his or her debts within the days of grace allowed by the court
- occipitomastoid — (anatomy) Relating to, or connecting the occipital and mastoid bones.
- odd permutation — a permutation of a set of n elements, x 1 , x 2 , …, xn, which permutes the product of all differences of the form (xi – xj), where i is less than j, into the negative of the product.
- 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
- open-pollinated — (of a flower) pollinated without human agency.
- opencast mining — mining by excavating from the surface
- opening batsman — a player who bats the first ball in cricket
- 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.
- operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
- 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.
- ophthalmoscopes — Plural form of ophthalmoscope.
- ophthalmoscopic — Of, pertaining to or using an ophthalmoscope.
- opinionatedness — The state or condition of being opinionated.
- opisthognathous — having receding jaws.
- 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.
- organophosphate — Biochemistry. any of a variety of organic compounds that contain phosphorus and often have intense neurotoxic activity: originally developed as nerve gases, now widely used as insecticides and fire retardants.
- oriental carpet — Oriental rug.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orthopaedic bed — a specially firm bed designed to help correct or ameliorate the discomfort of disorders of the spine and joints