15-letter words containing o, s, i, f, e, r
- scolopendriform — resembling scolopendra
- security forces — police or soldiers responsible for maintaining security
- self perception — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- self-absorption — preoccupation with oneself or one's own affairs.
- self-admiration — a feeling of wonder, pleasure, or approval.
- self-authorized — given or endowed with authority: an authorized agent.
- self-censorship — the act or practice of censoring.
- self-correcting — automatically adjusting to or correcting mistakes, malfunctions, etc.: a self-correcting mechanism.
- self-disclosure — the act or an instance of disclosing; exposure; revelation.
- self-expression — the expression or assertion of one's own personality, as in conversation, behavior, poetry, or painting.
- self-forgetting — self-forgetful.
- self-generation — production or reproduction of something without the aid of an external agent; spontaneous generation.
- self-glorifying — to cause to be or treat as being more splendid, excellent, etc., than would normally be considered.
- self-laceration — the result of lacerating; a rough, jagged tear.
- self-monitoring — (especially formerly) a student appointed to assist in the conduct of a class or school, as to help take attendance or keep order.
- self-oppression — the feeling of being heavily burdened, mentally or physically, by troubles, adverse conditions, anxiety, etc.
- self-perception — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- self-persuasion — the act of persuading or seeking to persuade.
- self-proclaimed — to announce or declare in an official or formal manner: to proclaim war.
- self-production — produced by oneself or itself.
- self-propulsion — propulsion by a vehicle's own engine, motor, or the like.
- self-protection — protection of oneself or itself.
- self-reflection — the act of reflecting, as in casting back a light or heat, mirroring, or giving back or showing an image; the state of being reflected in this way.
- self-regulation — control by oneself or itself, as in an economy, business organization, etc., especially such control as exercised independently of governmental supervision, laws, or the like.
- self-renouncing — to give up or put aside voluntarily: to renounce worldly pleasures.
- self-revelation — disclosure of one's private feelings, thoughts, etc., especially when unintentional.
- self-supporting — the supporting or maintaining of oneself or itself without reliance on outside aid.
- self-worthiness — the sense of one's own value or worth as a person; self-esteem; self-respect.
- service uniform — a uniform for routine duties and service, as distinguished from work, dress, or full-dress uniforms.
- shelikof strait — a strait between the Alaska Peninsula and Kodiak Island, in S Alaska. 130 miles (209 km) long and 30 miles (48 km) wide.
- sigmoid flexure — Zoology. an S -shaped curve in a body part.
- silver fluoride — a yellow or brownish, crystalline, water-soluble, hygroscopic solid, AgF, used chiefly as an antiseptic and disinfectant.
- simple fraction — a ratio of two integers.
- sister of mercy — a member of a congregation of sisters founded in Dublin in 1827 by Catherine McAuley (1787–1841) and engaged chiefly in works of spiritual and corporal mercy.
- sodium fluoride — a colorless, crystalline, water-soluble, poisonous solid, NaF, used chiefly in the fluoridation of water, as an insecticide, and as a rodenticide.
- sons of liberty — any of several patriotic societies, originally secret, that opposed the Stamp Act and thereafter supported moves for American independence.
- spanish trefoil — alfalfa.
- spelling reform — an attempt to change the spelling of English words to make it conform more closely to pronunciation.
- spirits of wine — alcohol (def 1).
- st. elmo's fire — St. Elmo's fire.
- st. ulmo's fire — St. Elmo's fire.
- stamford bridge — a village in N England, east of York: site of a battle (1066) in which King Harold of England defeated his brother Tostig and King Harald Hardrada of Norway, three weeks before the Battle of Hastings
- starfish flower — carrion flower (def 2).
- station officer — a person who is in charge of a fire station
- steam reforming — a process in which methane from natural gas is heated, with steam, usually with a catalyst, to produce a mixture of carbon monoxide and hydrogen used in organic synthesis and as a fuel
- stocking filler — A stocking filler is a small present that is suitable for putting in a Christmas stocking.
- strait of dover — a strait between SE England and N France, linking the English Channel with the North Sea. Width: about 32 km (20 miles)
- streamline flow — the flow of a fluid past an object such that the velocity at any fixed point in the fluid is constant or varies in a regular manner.
- strombuliferous — having organs coiled as spirals
- subprofessional — being below professional standards: subprofessional health care.