Definition of microcoleoptera in US English:

microcoleoptera

noun

Entomology
rare
  • Treated as plural. The smaller kinds of beetle collectively.

Origin

Late 19th century; earliest use found in John G. Wood (1827–1889), natural historian and microscopist. From micro- + Coleoptera.

Pronunciation

microcoleoptera

/ˌmʌɪkrə(ʊ)ˌkɒlɪˈɒpt(ə)rə/