planetary house
— Navneord
– Engelsk
～ (astrology) one of 12 equal areas into which the zodiac is divided
planetary gear
— Navneord
– Engelsk
～ an outer gear that revolves about a central sun gear of an epicyclic train
planetary nebula
— Navneord
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～ a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star
planetesimal
— Navneord
– Engelsk
～ one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system
planetesimal hypothesis
— Navneord
– Engelsk
～ (cosmology) the theory that the solar system was formed by the gravitational accumulation of planetesimals
planetoid
— Navneord
– Engelsk
～ any of numerous small celestial bodies that move around the sun
plangency
— Navneord
– Engelsk
～ having the character of a loud deep sound; the quality of being resonant
planimeter
— Navneord
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～ a measuring instrument for measuring the area of an irregular plane figure
planing machine
— Navneord
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～ a power tool for smoothing or shaping wood
plank
— Navneord
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～ a stout length of sawn timber; made in a wide variety of sizes and used for many purposes
plank
— Navneord
– Engelsk
～ an endorsed policy in the platform of a political party
plank-bed
— Navneord
– Engelsk
～ a bed of boards (without a mattress)
planking
— Navneord
– Engelsk
～ planks collectively; a quantity of planks
planking
— Navneord
– Engelsk
～ the work of covering an area with planks
planking
— Navneord
– Engelsk
～ (nautical) a covering or flooring constructed of planks (as on a ship)
plankton
— Navneord
– Engelsk
～ the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water