Definition of leuconoid in US English:

leuconoid

adjective

Zoology
  • See leucon

    • ‘It is the only class with asconoid and syconoid construction, and has sponges with leuconoid construction as well.’
    • ‘Organization does not necessarily relate to phylogeny; for example, the leuconoid structure was evolved independently several times.’

Pronunciation

leuconoid

/-kəˌnoid/