Definition of moisture stress in English:

moisture stress

noun

Botany
  • 1(A quantitative measure of) the overall pressure at which moisture is held in soil; the force that must be exerted by plant tissue to extract water from the soil (now rare).

  • 2Physiological stress experienced by a plant as a result of a lack of available moisture or a low water potential in the soil (also called water stress).

Origin

1940s.