13-letter words containing s, t, a, n, o
- 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.
- onanistically — In an onanistic manner.
- onomastically — In an onomastic way.
- onomatologist — One versed in the history of names.
- onomatopoeias — Plural form of onomatopoeia.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- open and shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- open-and-shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- 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.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- oppositionary — the action of opposing, resisting, or combating.
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- optimizations — Plural form of optimization.
- oral solution — An oral solution is a medicine in liquid form for drinking.
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- 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.
- organisations — Plural form of organisation.
- organizations — The action of organizing something.
- organotropism — Physiology. the attraction of microorganisms or chemical substances to particular organs or tissues of the body.
- 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.
- ornithischian — any herbivorous dinosaur of the order Ornithischia, having a pelvis resembling that of a bird. Compare saurischian.
- orthognathous — straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.
- orthogonalise — to make (vectors, functions, etc.) orthogonal.
- osa extension — (OSAX) Any extension to Macintosh OSA.
- oscillational — characterized by oscillation
- ossifications — Plural form of ossification.
- ostracisation — Alternative form of ostracization.
- ostracization — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.
- out of season — one of the four periods of the year (spring, summer, autumn, and winter), beginning astronomically at an equinox or solstice, but geographically at different dates in different climates.
- out one's way — in, to, or near one's neighborhood
- outdistancing — Present participle of outdistance.
- outdoorswoman — a woman devoted to outdoor sports and recreational activities.
- outstandingly — prominent; conspicuous; striking: an outstanding example of courage.
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- over-standing — overreach (def 13).
- overacuteness — sharp or severe in effect; intense: acute sorrow; an acute pain.
- overassertion — assertion of something to an excessive or unnecessary degree
- overhastiness — the condition of being overhasty
- overstatement — to state too strongly; exaggerate: to overstate one's position in a controversy.
- ovipositional — pertaining to the laying of eggs through an ovipositor
- painted horse — paint (def 6).
- palazzo pants — women's trousers with very wide legs
- pan-teutonism — Pan-Germanism.