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18-letter words containing l, f, r, i, c

  • reflection density — a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectance
  • reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
  • relative frequency — the ratio of the number of times an event occurs to the number of occasions on which it might occur in the same period.
  • sacrificial victim — a person who is ritually killed with the intention of propitiating or pleasing a deity
  • sampling frequency — sample rate
  • schofield barracks — a town on central Oahu, in central Hawaii.
  • school certificate — (in England and Wales between 1917 and 1951 and currently in New Zealand) a certificate awarded to school pupils who pass a public examination: the equivalent of GCSE
  • school of motoring — a centre where people pay for lessons to learn to drive
  • selenium rectifier — a rectifier consisting of laminated plates of metal, usually iron, that have been coated with selenium on one side, with rectification taking place because the flow of electrons from the conductive metal to the selenium occurs more readily than the flow in the opposite direction.
  • self-certification — statement of sick leave
  • 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-contradiction — an act or instance of contradicting oneself or itself.
  • self-contradictory — an act or instance of contradicting oneself or itself.
  • self-deprecatingly — in a self-deprecating manner
  • self-glorification — a glorified or more splendid form of something.
  • self-gratification — the act of pleasing or satisfying oneself, especially the gratifying of one's own impulses, needs, or desires.
  • self-incriminating — serving to incriminate oneself or to expose oneself to prosecution: self-incriminating testimony.
  • self-incrimination — the act of incriminating oneself or exposing oneself to prosecution, especially by giving evidence or testimony.
  • self-instructional — pertaining to or constituting learning materials and conditions arranged so that students can proceed to learn on their own with little or no supervision.
  • self-mortification — the inflicting of pain or privation on oneself: He was certain that self-mortification was the only road to salvation.
  • self-preoccupation — the state of being preoccupied.
  • self-recrimination — the act of recriminating, or countercharging: Hope gave way to recrimination with both sides claiming the moral high ground.
  • self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
  • shrubby cinquefoil — a small shrub, Potentilla fruticosa, of the rose family, native to the Northern temperate region, having pinnate leaves and numerous, showy, bright-yellow flowers.
  • sildenafil citrate — a white crystalline powder, C 22 H 30 N 6 O 4 S, that temporarily normalizes erectile function of the penis by blocking an enzyme known to inhibit the production of a chemical that causes erections: used in the form of a pill to treat impotence.
  • silver certificate — a former paper currency first issued in 1878 by the U.S. federal government for circulation, equal to and redeemable for silver to a stated value.
  • silvery cinquefoil — any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans (creeping cinquefoil) of the Old World, or P. argentea (silvery cinquefoil) of North America.
  • sixth-form college — (in England and Wales) a college offering A-level and other courses to pupils over sixteen from local schools, esp from those that do not have sixth forms
  • spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
  • sulfuric anhydride — sulfur trioxide.
  • thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
  • traffic controller — a person whose job is to control the flow of air traffic
  • triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
  • university faculty — a division within a university comprising one subject area, or a number of related subject areas
  • vermilion rockfish — a scarlet-red rockfish, Sebastes miniatus, inhabiting waters along the Pacific coast of North America, important as a food fish.
  • vicar of wakefield — a novel (1766) by Goldsmith.
  • wildlife sanctuary — an area where wild animals and plants are protected
  • with flying colors — with flying colors, with an overwhelming victory, triumph, or success: He passed the test with flying colors.
  • yelloweye rockfish — a red rockfish, Sebastes ruberrimus, of waters along the Pacific coast of North America, having eyes that are yellow and possessed of strong, sawlike bony ridges on the head.
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