Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, oxygenic photosynthesis -- produced by cyanobacteria -- had likely evolved hundreds of millions of years before this event.

From Science Daily • Nov. 2, 2025

In principle, the fossil remains of whole Cyanobacteria can serve as an indicator of the presence of oxygenic photosynthesis in the geological past.

From Science Daily • Oct. 27, 2023

Although algae generate oxygen when they photosynthesize, they also require it to generate power from their food, just as animals do, via oxygenic respiration.

From Scientific American • May 20, 2018

To determine the oxygenic state of the atmosphere by means of ozone papers.

From Up in the Clouds Balloon Voyages by Ballantyne, R. M. (Robert Michael)