Definition of sub-Carboniferous in English:

sub-Carboniferous

adjective

Geology
  • Lying immediately beneath the Carboniferous series.

Origin

Early 19th century; earliest use found in American Mechanics' Magazine. From sub- + carboniferous.

Pronunciation

sub-Carboniferous

/sʌbˌkɑːbəˈnɪf(ə)rəs/