18-letter words containing p, e, r, f, o, c
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- repeat performance — sth done again
- reproduction proof — repro proof.
- self-comprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- self-preoccupation — the state of being preoccupied.
- software backplane — (programming, tool) A CASE framework from Atherton.
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- spectrofluorometer — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- tip of the iceberg — a large floating mass of ice, detached from a glacier and carried out to sea.
- unfair competition — acts done by a seller to confuse or deceive the public with intent to acquire a larger portion of the market, as by cutting prices below cost, misleading advertising, selling a spurious product under a false identity, etc.