Definition of caryophyllaceous in US English:

caryophyllaceous

adjective

Botany
  • Relating to or denoting plants of the pink family (Caryophyllaceae).

    • ‘S. longipes is a weedy, caryophyllaceous species, where stem elongation has been found to primarily involve cell elongation.’
    • ‘In North America the beetle's diet is primarily restricted to caryophyllaceous species.’
    • ‘KASUMI SO is a member of the caryophyllaceous family.’

Origin

Mid 19th century: from modern Latin Caryophyllaceae (plural), based on Greek karuophullon ‘clove pink’, + -ous.

Pronunciation

caryophyllaceous

/ˌkerēōfəˈlāSHəs/