Definition of microphylline in English:

microphylline

Pronunciation /ˌmʌɪkrə(ʊ)ˈfɪliːn/ /ˌmʌɪkrə(ʊ)ˈfɪlʌɪn/

adjective

rare Botany
  • Of a lichen thallus: composed of very small scales or lobes.

Origin

Late 19th century; earliest use found in William Allport Leighton (1805–1889), botanist. From micro- + -phylline.