noun Etymology: Greek poton drink (akin to Greek pinein to drink) + English -meter — more at potable Date: 1884 an apparatus for measuring the rate of transpiration in a plant by determining the amount of water absorbed

New Collegiate Dictionary. 2001.

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  • Potometer —   [zu griechisch potón »Trank«] das, s/ , Potetometer, zur Feststellung (Grobmessung) der pflanzlichen Transpiration benutztes wassergefülltes Gefäß, in dessen Hals der zu prüfende, frische Spross luftdicht eingelassen wird. Die vom Spross… …   Universal-Lexikon

  • Potometer — A potometer is a device used for measuring the rate of water uptake of a leafy shoot. The reasons for water uptake are for photosynthesis and transpiration.Potometers are often difficult to set up, as measurement altering air bubbles in the xylem …   Wikipedia

  • potometer — /peuh tom i teuhr/, n. Meteorol. an instrument for measuring the amount of water that a plant loses through transpiration, consisting of a sealed vessel of water with a cutting inserted in such a way that moisture can escape only through… …   Universalium

  • Potometer — Po|to|me|ter das; s, <zu 1↑...meter> einfaches Gerät zur Messung der Transpiration von Pflanzen (Biol.) …   Das große Fremdwörterbuch

  • potometer — instrument measuring rate at which plants absorb water Scientific Instruments …   Phrontistery dictionary

  • potometer — po·tom·e·ter …   English syllables

  • potometer — pōˈtäməd.ə(r) noun Etymology: Greek poton drink + English meter : an apparatus for measuring the rate of transpiration in a plant by determining the amount of water absorbed …   Useful english dictionary

  • Transpiration — is the evaporation of water from the aerial parts of plants, especially leaves but also stems, flowers and roots. Leaf transpiration occurs through stomata, and can be thought of as a necessary cost associated with the opening of stomata to allow …   Wikipedia

  • Potetometer — Po|te|to|me|ter das; s, <zu gr. potẽ̅s, Gen. potẽ̅tos »das Trinken« u. 1↑...meter> svw. ↑Potometer …   Das große Fremdwörterbuch

  • Scientific Instruments — Have you ever been in the middle of a class lecture, medical examination or episode of Star Trek only to realise suddenly that you have no clue what all those gizmos, gadgets and other scientific instruments actually do? If so, your problems are… …   Phrontistery dictionary

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