18-letter words containing f, e, p, r, o
- protein deficiency — a lack or insuffiency of protein
- purchasing officer — the member of staff in an organization who is responsible for buying goods or products
- purple loosestrife — an Old World plant, Lythrum salicaria, of the loosestrife family, widely naturalized in North America, growing in wet places and having spikes of reddish-purple flowers.
- rabbit-proof fence — a fence through which rabbits are unable to pass
- 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.
- seafloor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- 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.
- shatterproof glass — glass designed to resist shattering
- shoot from the hip — the act of shooting with a bow, firearm, etc.
- soda-lime feldspar — plagioclase.
- software backplane — (programming, tool) A CASE framework from Atherton.
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- speak for yourself — If you say 'Speak for yourself' when someone has said something, you mean that what they have said is only their opinion or applies only to them.
- 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.
- 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.
- 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.
- vermiform appendix — a narrow, blind tube protruding from the cecum, having no known useful function, in humans being 3 to 4 inches (8 to 10 cm) long and situated in the lower right-hand part of the abdomen.
- 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.
- wild passionflower — the maypop, Passiflora incarnata.
- wildlife programme — (esp on television) a documentary whose subject is wild animals in their natural habitat or undomesticated fauna and flora generally