13-letter words containing t, a, s, e, r
- nonsegregated — Not segregated.
- nontransitive — Grammar. having the nature of a transitive verb.
- normativeness — The quality or state of being normative.
- north by east — a point on the compass 11°15′ east of north. Abbreviation: NbE.
- north ossetia — an autonomous republic in S European Russia, in the N Caucasus. 3100 sq. mi. (8029 sq. km) Capital: Vladikavkaz.
- north sea gas — natural gas extracted from deposits beneath the North Sea
- north sea oil — oil extracted from deposits beneath the North Sea
- north-eastern — North-eastern means in or from the north-east of a region or country.
- northeasterly — of or located in the northeast.
- northeastward — the northeast.
- northwestward — the northwest.
- nubian desert — an arid region in the NE Sudan.
- nuclear waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
- nudiustertian — (rare, obsolete) Of the day before yesterday.
- nusa tenggara — an island chain east of Java, mostly in Indonesia: the main islands are Bali, Lombok, Sumbawa, Sumba, Flores, Alor, and Timor. Pop: 11 112 702 (2000). Area: 73 144 sq km (28 241 sq miles)
- observability — capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
- observational — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- observatories — Plural form of observatory.
- observer team — a team deployed to an area of conflict to observe proceedings
- obstacle race — a foot race in which the contestants are prevented in a specific way from covering the full course at top speed, as by having hurdles to jump, sacks enclosing the legs, or potatoes to pick up.
- obstetrically — (medicine) In terms of obstetrics.
- obstetricians — Plural form of obstetrician.
- oceanic crust — the brown, hard outer portion or surface of a loaf or slice of bread (distinguished from crumb).
- octogenarians — Plural form of octogenarian.
- of all others — above all others
- off the rails — into or in a state of dysfunction or disorder
- olfactometers — Plural form of olfactometer.
- on one's part — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
- on the parish — receiving parochial relief
- on the square — a rectangle having all four sides of equal length.
- open-standard — (of computer programs, codes, etc) freely available to all users
- opentransport — (networking) (OT) A complete reimplementation of all levels of the Macintosh networking code including "Classic" AppleTalk and MacTCP. It appeared in MacOS revision 7.5.3 [or earlier? Date?].
- operativeness — (uncountable) The state or quality of being operative.
- orate fratres — the call to prayer, addressed by the celebrant of the Mass to the people just before the Secret.
- orchestra pit — musicians' seating in front of stage
- orchestra-pit — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- orchestralist — a person who writes or arranges orchestral music
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- orchestrators — Plural form of orchestrator.
- organ whistle — a steam or air whistle in which the jet is forced up against the thin edge of a pipe closed at the top.
- originalities — Plural form of originality.
- ornamentalism — the desire or tendency to feature ornament in the design of buildings, interiors, furnishings, etc.
- ornamentalist — A person who ornaments.
- orthogonalise — to make (vectors, functions, etc.) orthogonal.
- orthographies — Plural form of orthography.
- orthosilicate — a silicate mineral
- osmoregulator — Any organism that practices osmoregulation.
- ostreophagous — oyster-eating
- out of square — a rectangle having all four sides of equal length.