Emitting

There's a volcano emitting masses of smoke in Iceland.

The motor overheated and is now emitting smoke.

When the experimental antigravity aircraft flew over the town, emitting downward thrusting pulse waves, everyone immediately below involuntarily emptied their bladder.

Then about 2.3 to 2.5 billion years ago, during the Proterozoic Eon, blue-green algae called cyanobacteria, living in Earth’s shallow oceans, began emitting enough oxygen through photosynthesis to create the permanently oxygenated atmosphere that keeps us alive today.

The sultry September day was drawing to a close, and as the sun went down, a dark thunder-cloud came slowly up from the west, muttering in deep undertones, and emitting occasional gleams of lightning by way of heralding the coming storm, from which both man and beast intuitively sought shelter.