pinnulate
/ˈpɪnjʊleɪt/
adjective
- Having small, feather-like parts or divisions; finely divided like a feather.
- Under the magnifying glass, the coral's pinnulate structure was clearly visible.
- The pinnulate leaves of the fern were delicate and lacy.
- Botanists classify certain algae as pinnulate because of their branched, feathery appearance.
Synonyms