Definition of "subaerial" [sub•a•ë•ri•al]

• Located or occurring on or near the surface of the earth. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This estimate includes both subaerial and submarine volcanoes, about in equal amounts."
• "The contribution to the present day atmospheric CO2 loading from volcanic emissions is, however, relatively insignificant, and it has been estimated that subaerial volcanism releases around 300 Mt/yr CO2."
• "Most showed signs of subaerial weathering and exfoliation."