Usage examples (23)

• Now several things should be noted: he doesn't say all flies have four legs; he mentions a particular animal, the "ephemeron", which is most likely a species of mayfly, or
• The question, which we're all asking, is: is this a significant and long-term change or just an ephemeron?
• Let not the ephemeron that lights on a baby's hand generalize too rashly upon the non-growing of organisms!
• It will be a far more memorable experience than anything the ephemeron of a steroid-fuelled 100 metre dash can offer.