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21-letter words containing p, l, e, t, h

  • joseph bonaparte gulf — an inlet of the Timor Sea in N Australia. Width: 360 km (225 miles)
  • keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
  • lap and shoulder belt — a car seat belt
  • linear graph notation — (LGN) A linearised representation of TCOL trees.
  • lordship of the isles — an overlordship of the Western Isles of Scotland and adjacent lands instituted in 1266 when Magnus of Norway ceded the Hebrides, the Isle of Man, and Kintyre to the King of Scotland, and claimed by the chiefs of Clan Dougall and later by those of Clan Donald. The title was forfeited to James IV in 1493 and is now held by the eldest son of the sovereign
  • maidenhair spleenwort — an evergreen fern, Asplenium trichomanes, abundant in woody areas of the North Temperate Zone, having thickly clustered fronds.
  • main-topsail schooner — a two-masted or three-masted schooner having square topsails on the foremast and mainmast: a jackass brig or jackass bark.
  • megaspore mother cell — a diploid cell in plants that undergoes meiosis to create four haploid megaspores.
  • metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
  • mother-of-pearl cloud — nacreous cloud.
  • mother-of-pearl glass — an American art glassware having colored glass set into indentations in a thickness of opaque glass, the whole covered with clear glass and etched slightly with acid.
  • no less a person than — a person of no lower importance, rank, etc. than
  • old spanish practices — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
  • ophthalmia neonatorum — inflammation of the eyes of a newborn child due to an infectious disease, as gonorrhea, contracted during birth from the infected mother.
  • orthogonal projection — a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection. Also called orthogonal projection. Compare isometric (def 5).
  • pacific daylight time — the version of Pacific Standard Time that is in use when daylight saving time is being observed
  • peephole optimisation — (compiler)   A kind of low-level code optimisation that considers only a few adjacent machine code instructions at a time and looks for certain combinations which can be replaced with more efficient sequences. E.g. ADD R0, #1 ADD R0, #1 (add one to register R0) could be replaced by ADD R0, #2 as long as there were no jumps to the second instruction.
  • peephole optimization — peephole optimisation
  • pellitory-of-the-wall — an urticaceous plant, P. diffusa, of the S and W European genus Parietaria, which grows in crevices and has long narrow leaves and small pink flowers
  • pentamethylenediamine — cadaverine.
  • photoelectric current — photocurrent.
  • phrase-structure rule — a rule that generates a sentence or other syntactic construction from words and phrases and identifies its constituent structure.
  • pipelined burst cache — Pipeline Burst Cache
  • play with a full deck — Nautical. a floorlike surface wholly or partially occupying one level of a hull, superstructure, or deckhouse, generally cambered, and often serving as a member for strengthening the structure of a vessel. the space between such a surface and the next such surface above: Our stateroom was on B deck.
  • polygenic inheritance — the heredity of complex characters that are determined by a large number of genes, each one usually having a relatively small effect.
  • populist shop steward — a shop steward who operates in a delegate role, putting the immediate interests of his members before union principles and policies
  • programmed cell death — a normal, genetically regulated process leading to the death of cells and triggered by the presence or absence of certain stimuli, as DNA damage.
  • propantheline bromide — a substance, C 2 3 H 3 0 BrNO 3 , used in the treatment of peptic ulcers.
  • public health service — the agency that is responsible for the health of the general public
  • pull oneself together — to draw or haul toward oneself or itself, in a particular direction, or into a particular position: to pull a sled up a hill.
  • pulse height analyser — a multichannel analyser that sorts pulses into selected amplitude ranges
  • pulse height analyzer — an instrument that records or counts an electrical pulse if its amplitude falls within specified limits: used in nuclear physics research for the determination of energy spectra of nuclear radiations
  • put sb in their place — If you put someone in their place, you show them that they are less important or clever than they think they are.
  • ralph roister doister — a play (1553?) by Nicholas Udall: the earliest known English comedy.
  • rap over the knuckles — to reprimand
  • reciprocal inhibition — the theory that the pairing of an anxiety-provoking stimulus with anxiety-reducing reactions will weaken the association between the stimulus and the anxiety.
  • rectangular hyperbola — a hyperbola with perpendicular asymptotes
  • replacement algorithm — The method used to determine which entry in an associative cache to flush to main memory when it is desired to cache a new block of data. The "least recently used" algorithm flushed the block which has not been accessed for the longest time. A random replacement algorithm picks any block with equal probability.
  • return the compliment — repay sb's kindness with a kind act
  • reverse polish syntax — postfix notation
  • roll with the punches — a thrusting blow, especially with the fist.
  • schlieren photography — a type of photography which records schlieren
  • school superintendent — an official whose job is to oversee school administration within a district
  • scorched earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
  • scorched-earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
  • single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
  • sodium metabisulphite — an inorganic compound with the chemical formula Na2S2O5 that is used as a preservative, antioxidant and disinfectant
  • space shuttle orbiter — orbiter (def 1).
  • spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
  • spicebush swallowtail — a swallowtail butterfly, Papilio troilus, having a dark body with yellow spots on the forewings and greenish hind wings.
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