Definition of dicotyledonous in English:

dicotyledonous

adjective

Botany
  • See dicotyledon

    • ‘This type of leaf formation can be applied to monocotyledonous and dicotyledonous plants.’
    • ‘Although GVG-regulated gene expression has been characterized extensively in dicotyledonous and monocotyledonous plants such as tobacco, Arabidopsis, and rice, it has not been tested in gymnosperms.’
    • ‘Within the leaf sheath a certain amount of development can be expected: in contrast to dicotyledonous plants, chloroplast division and development can occur in the absence of light in barley.’
    • ‘In many dicotyledonous leaves, parenchyma or sclerenchyma cells of the vascular bundle sheath extend to the epidermis on both leaf sides, forming the so-called bundle sheath extensions.’
    • ‘In the leaf axils of most dicotyledonous trees well-developed buds are present.’

Pronunciation

dicotyledonous

/ˌdʌɪkɒtɪˈliːd(ə)nəs/