Aerenchym

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Aerenchym \A"["e]r*en`chym\, Aerenchyma \A`["e]r*en"chy*ma\, n.
     [NL. a["e]renchyma. See {A["e]ro-}; {Enchyma}.] (Bot.)
     A secondary respiratory tissue or modified periderm, found in
     many aquatic plants and distinguished by the large
     intercellular spaces.
     [Webster 1913 Suppl.] aerial