18-letter words containing p, r, e, t, f
- saint peter's fish — another name for tilapia, taken from a Bible story about Saint Peter catching a fish with a coin in its mouth
- self-deprecatingly — in a self-deprecating manner
- self-disparagement — the act of disparaging.
- self-preoccupation — the state of being preoccupied.
- self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
- shatterproof glass — glass designed to resist shattering
- shoot from the hip — the act of shooting with a bow, firearm, etc.
- software backplane — (programming, tool) A CASE framework from Atherton.
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- specrate_base_fp92 — (benchmark) A variant of SPECrate_fp92 that reports "baseline" results, using stricter run rules.
- 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)
- spur-of-the-moment — occurring or done without advance preparation or deliberation; extemporaneous; unplanned: a spur-of-the-moment decision.
- sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
- take the wraps off — to reveal
- territory of papua — a former territory of Australia, consisting of SE New Guinea and adjacent islands: now part of Papua New Guinea
- the better part of — a large part of
- tip of the iceberg — a large floating mass of ice, detached from a glacier and carried out to sea.
- to play favourites — to display favouritism
- torsion-free group — a group in which every element other than the identity has infinite order.
- transfer passenger — a traveller who changes from one plane, train, or bus to another, or to another form of transport
- 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.
- visiting professor — a professor from another institution invited to teach at a university or college for a limited period, usually for a semester or one academic year.