12-letter words containing t, o, p, e, r, f
- patent flour — a fine grade of flour, consisting chiefly of the inner part of the endosperm.
- pectoral fin — (in fishes) either of a pair of fins usually situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates.
- perfectation — the action or process of becoming or causing to become perfect or complete
- perforations — the holes punched that allow individual stamps, coupons, etc to be easily separated
- performative — (of an expression or statement) performing an act by the very fact of being uttered, as with the expression “I promise,” that performs the act of promising.
- perfusionist — a medical technician or nurse who monitors and operates equipment that oxygenates the blood, as during open-heart surgery
- petaliferous — bearing or having petals.
- petrifaction — the act or process of petrifying; the state of being petrified.
- photo relief — a method of showing the configuration of the relief of an area by photographing a model of it that is illuminated by a lamp in the northwest corner
- pitched-roof — a roof sloping downward in two parts at an angle from a central ridge, so as to leave a gable at each end.
- placentiform — shaped like a placenta, with a flat rounded form
- platform bed — a bed, originating in Scandinavia in the 1930s, consisting of a simple shallow box for holding a mattress situated on a slightly recessed pedestal.
- portal frame — a frame, usually of steel, consisting of two uprights and a cross beam at the top: the simplest structural unit in a framed building or a doorway
- postfracture — taking place after a fracture
- power factor — (in an electrical circuit) the ratio of the power dissipated to the product of the input volts times amps
- powerlifting — a competition or sport involving three tests of strength: the bench press, squat, and two-handed dead lift.
- prefectorial — of, relating to, or characteristic of a prefect: prefectorial powers.
- prefloration — the internal arrangement of a flower-bud's petals and sepals before it opens
- prefoliation — the arrangement of leaves within a vegetative bud
- preformation — previous formation.
- preformative — a prefixture in Semitic languages
- preformatted — the shape and size of a book as determined by the number of times the original sheet has been folded to form the leaves. Compare duodecimo, folio (def 2), octavo, quarto.
- preformulate — to describe an active pharmaceutical ingredient chemically
- presser foot — a forked, metal device on a sewing machine used for holding the fabric in place while stitching.
- prime factor — any number in the set of prime numbers that is also a factor of a given integer
- professorate — the office or the period of service of a professor.
- proficiently — well-advanced or competent in any art, science, or subject; skilled: a proficient swimmer.
- profiteering — a person who seeks or exacts exorbitant profits, especially through the sale of scarce or rationed goods.
- profitlessly — in such a way as to not yield profit, as in financial gains or general benefits or advantages
- proof sheets — trial impressions made from composed type, or print-outs (from a laser printer, etc) read for the correction of errors; proofs
- proof stress — the load per unit area that a structure can withstand without being permanently deformed by more than a specified amount.
- proof theory — (logic) The branch of logic describing procedures for combining logical statements to show, by a series of truth-preserving transformations, that one statement is a consequence of some other statement or group of statements.
- protest flag — a flag hoisted by a racing yacht to advise the judges of a violation of the rules by another yacht.
- putrefaction — the act or process of putrefying; the anaerobic decomposition of organic matter by bacteria and fungi that results in obnoxiously odorous products; rotting.
- pyritiferous — having or producing pyrites
- reperforator — (especially in teletype transmission) a machine for punching a duplicate perforated paper tape of incoming messages so that they may later be retransmitted: used for automatic typesetting.
- self-support — the supporting or maintaining of oneself or itself without reliance on outside aid.
- serpentiform — shaped like a snake.
- shatterproof — designed or made to resist shattering: shatterproof glass in automobile windows.
- slipper foot — an elongated pad foot.
- superfrontal — a piece of cloth placed over an altar and frontal and hanging down a few inches over the front of the altar
- tamper-proof — resistant to interference, alteration
- to open fire — If you open fire on someone, you start shooting at them.
- troubleproof — not easily disturbed, disabled, injured, or put out of working order.
- type founder — a person engaged in the making of metallic types for printers.
- unperfection — imperfection
- unperforated — pierced with a hole or holes: Punch out along the perforated line.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- waterproofed — Having been made waterproof.
- waterproofer — One who, or that which, makes waterproof.