19-letter words containing s, a, c, i, f, o
- self-identification — identification of oneself with some other person or thing.
- sentential function — an expression that contains one or more variables and becomes meaningful when suitable constant terms are substituted for them.
- sharp-focus realism — photorealism.
- shopping facilities — shops or other retail services
- siberian forest cat — a breed of powerfully-built long-haired cat, typically tabby with a white ruff and white paws
- son-of-a-bitch stew — (in the Old West) a stew often prepared by chuck-wagon cooks for working cowboys, containing tripe and often also the heart, liver, brains, kidney, etc., of a slaughtered steer.
- south african dutch — the Boers.
- south pacific ocean — the part of the Pacific Ocean extending S from the Equator to the Antarctic continent.
- south san francisco — a city in central California.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
- teaching fellowship — a fellowship providing a student in a graduate school with free tuition and expenses and stipulating that the student assume some teaching duties in return.
- to this/that effect — You use to this effect, to that effect, or to the effect that to indicate that you have given or are giving a summary of something that was said or written, and not the actual words used.
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- transesterification — a reaction between an ester of one alcohol and a second alcohol to form an ester of the second alcohol and an alcohol from the original ester, as that of methyl acetate and ethyl alcohol to form ethyl acetate and methyl alcohol; interesterification.
- tricks of the trade — expert techniques
- upper carboniferous — Pennsylvanian (defs 2, 4).