adjective
- lacking or containing no oxygen
Usage: scientific; technical
Examples
- The oxygenless environment made it impossible for aerobic bacteria to survive.
- Deep ocean trenches often contain oxygenless water.
- The sealed container created an oxygenless atmosphere.
- Scientists studied how plants respond to oxygenless conditions.
- The oxygenless chamber was used for anaerobic experiments.
- Ancient Earth had vast oxygenless oceans before photosynthesis evolved.