transpiration

noun tran·spi·ra·tion \ ˌtran(t)s-pə-ˈrā-shən \

Definition of transpiration

:the act or process or an instance of transpiring; especially :the passage of watery vapor from a living body (as of a plant) through a membrane or pores

transpirational

play \-shnəl, -shə-nᵊl\ adjective

Recent Examples of transpiration from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transpiration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of transpiration

15th century


TRANSPIRATION Defined for Kids

transpiration

noun trans·pi·ra·tion \ ˌtrans-pə-ˈrā-shən \

Definition of transpiration for Students

:the process by which plants give off water vapor through openings in their leaves

Medical Dictionary

transpiration

noun tran·spi·ra·tion \ tran(t)s-pə-ˈrā-shən \

medical Definition of transpiration

:the passage of watery vapor from a living body through a membrane or pores

transpirational

play \-shnəl, -shən-ᵊl\ adjective


Seen and Heard

What made you want to look up transpiration? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

pleasing or sweet sound

Get Word of the Day daily email!

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!