Definition of hydathode in English:

hydathode

noun

Botany
  • A modified pore, especially on a leaf, which exudes drops of water.

    • ‘Indeed, activity, although low, was detected in cotyledon veins and tips and also in leaf veins, trichomes, and hydathodes.’
    • ‘Another way of disposing of excess salt may be to lose salt from the hydathodes, which release water at times of low transpirational water loss, such as at night.’
    • ‘The three main veins fused at the leaf tip leading to an epithem hydathode.’
    • ‘The hydathode is a specialized structure involved in secretion of water under high humidity.’
    • ‘We analyzed the results as an estimate of the number of hydathodes, which is known to differ between juvenile and adult leaves.’
    opening, orifice, aperture, hole, outlet, inlet, vent
    View synonyms

Origin

Late 19th century: from Greek hudōr, hudat- water + hodos way.

Pronunciation

hydathode

/ˈhʌɪdəθəʊd/