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18-letter words containing t, c, l

  • oriental cat's-eye — a chatoyant variety of chrysoberyl, used as a gem.
  • oriental cockroach — a dark-brown cockroach, Blatta orientalis, thought to have originated in Asia but now nearly cosmopolitan in distribution.
  • oriental scops owl — any of a group of small owls having ear tufts and a whistling call, especially Otus scops (Old World scops owl) and O. sunia (Oriental scops owl)
  • orthophthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
  • oscillating engine — a steam engine having piston rods connected directly to the crankshaft and cylinders oscillating on trunnions.
  • out of circulation — If someone is out of circulation, they do not appear in public or at social gatherings for a period of time. You can also say that someone is out of circulation when they are in prison.
  • out of whole cloth — comprising the full quantity, amount, extent, number, etc., without diminution or exception; entire, full, or total: He ate the whole pie. They ran the whole distance.
  • overcapitalization — The state of being overcapitalized.
  • overdraft facility — a facility (of a bank or building-society cheque account) that allows a withdrawal of money in excess of the account's credit balance
  • overspecialization — excessive specialization, as in a field of study.
  • pair of spectacles — a score of 0 in each innings of a match
  • paleoclimatologist — the branch of paleogeography dealing with the study of paleoclimates.
  • parallactic motion — the apparent motion of stars due to the earth's orbital motion.
  • parallel computing — parallel processing
  • parallel reduction — A form of applicative order reduction in which all redexes in an expression are reduced simultaneously. Variants include parallel outermost reduction and lenient reduction. See normal order reduction.
  • particular average — a loss at sea, as through accident or negligence, that is borne solely by the owner of the lost property. Abbreviation: P.A.
  • particulate filter — A particulate filter is a filter to remove particles that are present the air, for example in the exhaust of a diesel engine.
  • particulate matter — Particulate matter is solid or liquid particles in the air, which are measured in PM-10 units and are particles with a diameter of ten micrometers or less.
  • pathologic anatomy — the branch of pathology dealing with the morphologic changes in tissues.
  • payload specialist — an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
  • pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
  • pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
  • people trafficking — the practice of bringing immigrants into a country illegally
  • percentile ranking — the percentage of scores that a particular score is greater than
  • perceptual defence — the process by which it is thought that certain stimuli are either not perceived or are distorted due to their offensive, unpleasant, or threatening nature
  • perceptual mapping — the use of a graph or map in the development of a new product, in which the proximity of consumers' images of the new product to those of an ideal product provide an indication of the new product's likely success
  • perfect participle — past participle.
  • perlocutionary act — the action of affecting someone by uttering certain words
  • perpetual calendar — a calendar devised to be used for many years, as in determining the day of the week on which a given date falls.
  • persistent cruelty — conduct causing fear of danger to the life or health of a spouse (used in matrimonial proceedings before magistrates)
  • phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
  • phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
  • phenol coefficient — the number indicating the effectiveness of a disinfectant as a germicide relative to phenol, which is arbitrarily assigned the number 1: based on the time required to kill a given quantity of a specific type of bacteria.
  • phenylacetaldehyde — a colorless, oily, water-insoluble liquid, C 3 H 1 4 O, having a hyacinthlike odor: used chiefly in perfumery.
  • philharmonic pitch — a standard of pitch in which A above middle C is established at 440 vibrations per second.
  • photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
  • photoelectric cell — photocell.
  • phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
  • physical chemistry — the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.
  • physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
  • physical inventory — To carry out a physical inventory is to count all the stock on hand.
  • physical therapist — sb who performs physiotherapy
  • pick of the litter — objects strewn or scattered about; scattered rubbish.
  • pig-tailed macaque — a forest-dwelling southeast Asian macaque, Macaca nemestrina, having a short, curled tail, colonized for animal behavior studies.
  • pilotless aircraft — an aircraft equipped for operation by radio or by robot control, without a human pilot aboard; drone.
  • platinocyanic acid — the hypothetical acid containing platinum and the cyano group, H 2 Pt(CN) 4 .
  • play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
  • play catch-up ball — to adjust one's style of play so as to make up for a lack of points, runs, etc.
  • play the race card — to introduce the subject of race into a public discussion, esp to gain a strategic advantage
  • plumber's merchant — a shop or business that sells things needed for the job of installing and repairing pipes, fixtures, etc, for water, drainage, and gas
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