Definition of microplankton in English:

microplankton

noun

Biology
  • Microscopic or very small plankton.

Origin

Early 20th century; earliest use found in Journal of the Royal Microscopical Society. From micro- + plankton.

Pronunciation

microplankton

/ˈmʌɪkrə(ʊ)ˌplaŋ(k)tən/