Definition from Wiktionary, the free dictionary
pennate (not comparable)
- (sciences) Having a feather-like shape
2008 November 26, Adrian Marchetti et al., “Ferritin is used for iron storage in bloom-forming marine pennate diatoms”, in Nature, volume 457, number 7228, DOI:10.1038/nature07539:
- Addition of iron to surface waters in these areas induces massive phytoplankton blooms dominated primarily by pennate diatoms.