1. Beneath the sky; in the open air; specifically: (geology) taking place on the earth's surface, as opposed to subaqueous

Encyclopedia: Subaerial

• omnipotence
• omnipotent
• omnipresence
• omnipresent
• omnirange
• omniscience
• omniscient
• omnium-gatherum
• omnivore
• omnivorous
• Omomyid
• Omomyid group
• omophagia
• Omotic
• omphalocele
• omphalos
• omphaloskepsis
• Omphalotus
• Omphalotus illudens
• omphalus
• Omsk
• on
• on a higher floor
• on a lower floor
• on a regular basis