transpiration

[ tran-spuh-rey-shuhn ]

/ ˌtræn spəˈreɪ ʃən /

SEE SYNONYMS FOR transpiration ON THESAURUS.COM

noun

an action or instance of transpiring.

Botany. the passage of water through a plant from the roots through the vascular system to the atmosphere.

Origin of transpiration

1545–55; trans- + Latin spīrātiōn-, stem of spīrātiō breathing (spīrāt(us), past participle of spīrāre to breathe + -iōn--ion); perhaps directly <French or New Latin

WORDS THAT MAY BE CONFUSED WITH transpiration

evanescence, evaporation, liquefaction, melting, thawing, transpiration , vaporization

Words nearby transpiration

transphobia, transphosphatase, transphosphorylation, transpicuous, transpierce, transpiration, transpire, transplacental, transplanetary, transplant, transplantation

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for transpiration

We must expressly declare against sowing kitchen-plants on vine-furrows, as by their transpiration they hurt the vine.
Buffon's Natural History. Volume X (of 10)|Georges Louis Leclerc de Buffon
M. Leclerc has very carefully examined this question, and he concludes that transpiration is only the simple evaporation of water.
Scientific American Supplement, No. 430, March 29, 1884|Various
They secrete an oily, unctuous substance, which mixes with the transpiration, and lubricates the skin.
A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)|Calvin Cutter
His book begins with the research for which he is best known, namely that on transpiration.
Makers of British Botany; a collection of biographies by living botanists|Various

And, although an elevated temperature be favourable to transpiration, its modifying influence is less than that of other causes.
Quarterly Journal of Science, Literature and the Arts, July-December, 1827|Various

Medical definitions for transpiration

transpiration

[ trăn′spə-rā′shən ]

n.

The passage of watery vapor through the skin or through any membrane or pore.

Scientific definitions for transpiration

transpiration

[ trăn′spə-rā′shən ]

The process of giving off vapor containing water and waste products, especially through the stomata on leaves or the pores of the skin.

A Closer Look

Plants need much more water than animals do. But why? Plants use water not only to carry nutrients throughout their tissues, but also to exchange gases with the air in the process known as transpiration. Air, which contains the carbon dioxide that plant cells need for photosynthesis, enters the plant mainly through the stomata (tiny holes under its leaves). The air travels through tiny spaces in the leaf tissue to the cells that conduct photosynthesis. These cells are coated with a thin layer of water. The cell walls do not permit gases to pass through them, but the carbon dioxide can move across the cell walls by dissolving in the water on their surface. The cells remove the carbon dioxide from the water and use the same water to carry out oxygen, the main waste product of photosynthesis. All this mixing of water and air in transpiration, though, has one drawback: more than 90 percent of the water that a plant's roots suck up is lost by evaporation through the stomata. This is why a plant always needs water and why plants that live in dry climates, such as cacti, have reduced leaf surfaces from which less water can escape.

单词	transpiration
释义	transpiration [ tran-spuh-rey-shuhn ] / ˌtræn spəˈreɪ ʃən / SEE SYNONYMS FOR transpiration ON THESAURUS.COM noun an action or instance of transpiring. Botany. the passage of water through a plant from the roots through the vascular system to the atmosphere. Origin of transpiration 1545–55; trans- + Latin spīrātiōn-, stem of spīrātiō breathing (spīrāt(us), past participle of spīrāre to breathe + -iōn--ion); perhaps directly <French or New Latin WORDS THAT MAY BE CONFUSED WITH transpiration evanescence, evaporation, liquefaction, melting, thawing, transpiration , vaporization Words nearby transpiration transphobia, transphosphatase, transphosphorylation, transpicuous, transpierce, transpiration, transpire, transplacental, transplanetary, transplant, transplantation Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for transpiration We must expressly declare against sowing kitchen-plants on vine-furrows, as by their transpiration they hurt the vine. Buffon's Natural History. Volume X (of 10)\|Georges Louis Leclerc de Buffon M. Leclerc has very carefully examined this question, and he concludes that transpiration is only the simple evaporation of water. Scientific American Supplement, No. 430, March 29, 1884\|Various They secrete an oily, unctuous substance, which mixes with the transpiration, and lubricates the skin. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)\|Calvin Cutter His book begins with the research for which he is best known, namely that on transpiration. Makers of British Botany; a collection of biographies by living botanists\|Various And, although an elevated temperature be favourable to transpiration, its modifying influence is less than that of other causes. Quarterly Journal of Science, Literature and the Arts, July-December, 1827\|Various Words related to transpiration accident, existence, circumstance, incidence, instance, incident, manifestation, situation, episode, outcome, issue, result, change, affair, transaction, materialization, emergency, exigency, routine, appearance Medical definitions for transpiration transpiration [ trăn′spə-rā′shən ] n. The passage of watery vapor through the skin or through any membrane or pore. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for transpiration transpiration [ trăn′spə-rā′shən ] The process of giving off vapor containing water and waste products, especially through the stomata on leaves or the pores of the skin. A Closer Look Plants need much more water than animals do. But why? Plants use water not only to carry nutrients throughout their tissues, but also to exchange gases with the air in the process known as transpiration. Air, which contains the carbon dioxide that plant cells need for photosynthesis, enters the plant mainly through the stomata (tiny holes under its leaves). The air travels through tiny spaces in the leaf tissue to the cells that conduct photosynthesis. These cells are coated with a thin layer of water. The cell walls do not permit gases to pass through them, but the carbon dioxide can move across the cell walls by dissolving in the water on their surface. The cells remove the carbon dioxide from the water and use the same water to carry out oxygen, the main waste product of photosynthesis. All this mixing of water and air in transpiration, though, has one drawback: more than 90 percent of the water that a plant's roots suck up is lost by evaporation through the stomata. This is why a plant always needs water and why plants that live in dry climates, such as cacti, have reduced leaf surfaces from which less water can escape. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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transpiration

noun

Origin of transpiration

WORDS THAT MAY BE CONFUSED WITH transpiration

Words nearby transpiration

Example sentences from the Web for transpiration

Words related to transpiration

Medical definitions for transpiration

n.

Scientific definitions for transpiration

A Closer Look