17-letter words containing o, n, s, c, r
- san francisco bay — a bay in W California: the harbor of San Francisco; connected with the Pacific by the Golden Gate strait. 50 miles (80 km) long; 3–12 miles (5–19 km) wide.
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- sanctum sanctorum — the holy of holies of the Biblical tabernacle and the Temple in Jerusalem.
- sandro botticelli — Sandro [san-droh,, sahn-;; Italian sahn-draw] /ˈsæn droʊ,, ˈsɑn-;; Italian ˈsɑn drɔ/ (Show IPA), (Alessandro di Mariano dei Filipepi) 1444?–1510, Italian painter.
- scarlet firethorn — a Eurasian evergreen, thorny shrub, Pyracantha coccinea, of the rose family, having white, hairy flower clusters and bright red berries.
- schizophrenogenic — causative of schizophrenia.
- school counsellor — a counsellor who is based in a school
- school playground — school's outdoor recreation area
- scientific theory — a coherent group of propositions formulated to explain a group of facts or phenomena in the natural world and repeatedly confirmed through experiment or observation: the scientific theory of evolution.
- sea grant college — a college or university doing research on marine resources under the U.S. National Sea Grant College and Program Act of 1966.
- second balkan war — Balkan War (def 2).
- second derivative — the derivative of the derivative of a function: Acceleration is the second derivative of distance with respect to time.
- second generation — being the second generation of a family to be born in a particular country: the oldest son of second-generation Americans.
- second-generation — being the second generation of a family to be born in a particular country: the oldest son of second-generation Americans.
- secondary battery — storage battery.
- secondary boycott — a boycott by union members against their employer in order to induce the employer to bring pressure on another company involved in a labor dispute with the union.
- secondary contact — communication or relationship between people characterized by impersonal and detached interest on the part of those involved.
- secondary glazing — insulation by means of a second pane of glass, or a sheet of plastic: a simple form of double glazing
- secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
- secondary product — a product that is not the main product of an industry; a by-product
- secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- secondary rainbow — a faint rainbow formed by light rays that undergo two internal reflections in drops of rain, appearing above the primary rainbow and having its colors in the opposite order.
- secondary sealing — Secondary sealing is a system of wiper seals used in floating roof tanks.
- secondary winding — A secondary winding is the winding of a transformer that receives its energy by electromagnetic induction from the primary winding.
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-confirmation — the act of confirming.
- self-consecration — the act of setting oneself to a task or vocation without ordination by others or by a religious body.
- self-conservation — the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights.
- self-introduction — the act of introducing or the state of being introduced.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-recollection — the act or power of recollecting, or recalling to mind; remembrance.
- self-renunciation — renunciation of one's own will, interests, etc.
- self-reproduction — the act or process of reproducing.
- semimicroanalysis — any analytical method in which the weight of the sample is between 10 and 100 milligrams.
- separation center — a place at which military personnel are processed for release from active service.
- series connection — a circuit in which positive and negative cells are connected, thus increasing voltage
- set one's cap for — a close-fitting covering for the head, usually of soft supple material and having no visor or brim.
- shirt-tail cousin — a distant cousin
- shoestring tackle — a tackle made around the ankles of the ball carrier.
- shooting practice — practice in shooting for soldiers or other people who shoot guns
- shopping precinct — pedestrian area with shops
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
- shower attachment — a device fixed to taps to make a shower
- sign of the cross — a movement of the hand to indicate a cross, as from forehead to breast and left shoulder to right or, in the Eastern Orthodox Church, from right shoulder to left.
- significant other — Sociology. a person, as a parent or peer, who has great influence on one's behavior and self-esteem.
- silicon rectifier — a rectifier consisting of a semiconductor diode using crystalline silicon
- silver collection — a collection that consists of silver coins that is made at a meeting etc
- single-track road — a road that is only wide enough for one vehicle
- smarandache logic — neutrosophic logic
- smoothing circuit — a circuit used to remove ripple from the output of a direct current power supply