20-letter words containing c, r, a, f, t, i
- parametric amplifier — a device, as an electron tube or transistor, that amplifies a high-frequency input signal by sinusoidally varying the reactance of the circuit.
- particulars of claim — (in England) the first reading made by the claimant in a county court action, showing the facts upon which he or she relies in support of a claim and the relief asked for
- potential difference — voltage
- prefecture apostolic — a territory in the early stage of missionary development.
- probability function — the function the values of which are probabilities of the distinct outcomes of a discrete random variable
- rapid reaction force — a force that can be deployed swiftly to a site of conflict or potential conflict
- recuperative furnace — a furnace having its incoming air heated by exhaust gases, the passage of air and gases through the furnace being always in the same direction.
- refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
- regenerative furnace — a furnace in which the incoming air is heated by regenerators.
- restriction fragment — a length of DNA cut from the strand by a restriction enzyme.
- rotary-wing aircraft — an aircraft, esp a helicopter, that is lifted or propelled by rotating airfoils
- royal air force list — an official list of all serving commissioned officers of the RAF and reserve officers liable for recall
- sarcastic fringehead — any fish of the genus Neoclinus, characterized by a row of fleshy processes on the head, as N. blanchardi (sarcastic fringehead) of California coastal waters.
- senior aircraftwoman — a rank in the Royal Air Force comparable to that of a private in the army, though not the lowest rank in the Royal Air Force
- sergeant first class — a noncommissioned officer ranking next above a staff sergeant and below a first or master sergeant.
- sinfonia concertante — a type of concerto for two or more solo instruments accompanied by an orchestra
- small craft advisory — a U.S. National Weather Service advisory of sustained winds, over coastal and inland waters, with speeds of 20–33 knots (23–38 mph, 10–17 m/sec). Regional NWS offices have discretion over the choice of the lower limit.
- sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.
- solitary confinement — the confinement of a prisoner in a cell or other place in which he or she is completely isolated from others.
- spanish west african — of or relating to the former Spanish overseas territory of Spanish West Africa (now the overseas provinces of Ifni and Spanish Sahara) or its inhabitants
- stare sb in the face — If a situation or the answer to a problem is staring you in the face, it is very obvious, although you may not be immediately aware of it.
- surface-active agent — any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
- there is no call for — If you say that there is no call for someone to behave in a particular way, you are criticizing their behaviour, usually because you think it is rude.
- too much information — I don't want to hear any more
- toxemia of pregnancy — an abnormal condition of pregnancy characterized by hypertension, fluid retention, edema, and the presence of protein in the urine.
- treasury certificate — an obligation of the U.S. government represented by certificates in denominations ranging from $1000 to $1,000,000, maturing in one year or less with interest periodically payable by the redemption of coupons.
- uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- vertical lift bridge — lift bridge.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
- warehouse facilities — places for storing goods
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.