15-letter words containing c, o, s, t, f
- registry office — a government office and depository in which records and civil registers are kept and civil marriages performed.
- respecification — the act of specifying.
- retrofocus lens — a wide-angle lens, for use on single-lens reflex cameras, of inverted telephoto design, with a back focus greater than the focal length.
- right of search — the privilege of a nation at war to search neutral ships on the high seas for contraband or other matter, carried in violation of neutrality, that may subject the ship to seizure.
- sb's cup of tea — If you say that someone or something is not your cup of tea, you mean that they are not the kind of person or thing that you like.
- schottky defect — an unoccupied position in a crystal lattice caused by the relocation of an atom or ion from the interior to the surface of the crystal.
- schottky effect — a reduction in the energy required to remove an electron from a solid surface in a vacuum when an electric field is applied to the surface
- science fiction — a form of fiction that draws imaginatively on scientific knowledge and speculation in its plot, setting, theme, etc.
- scotch foursome — foursome (def 2b).
- security forces — police or soldiers responsible for maintaining security
- see the back of — to be rid of
- self perception — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- self-accusation — a charge of wrongdoing; imputation of guilt or blame.
- self-combustion — the act or process of burning.
- self-commitment — the act of committing.
- self-committing — to give in trust or charge; consign.
- self-compatible — able to be fertilized by its own pollen.
- self-complacent — pleased with oneself; self-satisfied; smug.
- self-conception — self-concept.
- self-consistent — consistent with oneself or itself.
- self-controlled — Someone who is self-controlled is able to not show their feelings or not do the things that their feelings make them want to do.
- self-correcting — automatically adjusting to or correcting mistakes, malfunctions, etc.: a self-correcting mechanism.
- self-dedication — the act of dedicating.
- self-diagnostic — the diagnosis of one's own malady or illness.
- self-infliction — inflicted by oneself upon oneself: a self-inflicted wound.
- self-inoculated — to implant (a disease agent or antigen) in a person, animal, or plant to produce a disease for study or to stimulate disease resistance.
- self-inspection — the act of inspecting or viewing, especially carefully or critically: an inspection of all luggage on the plane.
- self-laceration — the result of lacerating; a rough, jagged tear.
- self-medication — the use of medicine without medical supervision to treat one's own ailment.
- self-perception — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- self-production — produced by oneself or itself.
- 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-solicitude — the state of being solicitous; anxiety or concern.
- semi-functional — of or relating to a function or functions: functional difficulties in the administration.
- shut one's face — to be silent
- 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.
- slashdot effect — a temporary surge in the numbers visiting a website and consequent service slowdown or even server crash that sometimes arises as a result of a new link being set up from a more popular website
- snowball effect — a process of continuously accelerating change in size, importance, etc
- social benefits — the social welfare provision made available to those in need
- soft-focus lens — a lens designed to produce an image that is uniformly very slightly out of focus: typically used for portrait work
- soft-shell clam — an edible clam, Mya arenaria, inhabiting waters along both coasts of North America, having an oval, relatively thin, whitish shell.
- soft-shell crab — a crab, especially the blue crab, that has recently molted and therefore has a soft, edible shell.
- star of courage — a Canadian award for bravery
- station officer — a person who is in charge of a fire station
- stocking filler — A stocking filler is a small present that is suitable for putting in a Christmas stocking.
- strait of canso — a channel in Canada, between the Nova Scotia mainland and S Cape Breton Island
- sub-post office — (in Britain) a post office run by a sub-postmaster or sub-postmistress as a self-employed agent for the Post Office
- sulfite process — a process for making wood pulp by digesting wood chips in an acid liquor consisting of sulfurous acid and a salt, usually calcium bisulfite.