Definition of turgor in US English:

turgor

noun

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

    • ‘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.’
    • ‘Fungal cells maintain a very high turgor pressure, so the integrity of the cell wall is a critical matter.’
    • ‘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.’

Origin

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

Pronunciation

turgor

/ˈtərɡər//ˈtərɡər/