Definition of turgor in English:



mass nounBotany
  • The state of turgidity and resulting rigidity of cells or tissues, typically due to the absorption of fluid.

    as modifier ‘turgor pressure’
    • ‘Fungal cells maintain a very high turgor pressure, so the integrity of the cell wall is a critical matter.’
    • ‘When cells leaked, turgor pressure irreversibly declined.’
    • ‘The effect of low root temperature on the cell turgor pressure.’
    • ‘The turgor of leaf epidermal cells exhibited a similar response.’
    • ‘Cell expansion is driven by turgor pressure, and in healthy tissues is usually limited by the extensibility of the cell wall or sometimes by the wall yield threshold.’


Late 19th century: from late Latin, from turgere ‘to swell’.