0 a period of time that is so long that it cannot be measured:
Complex chemical interactions between body and mind that evolved eons ago may drive us to eat whenever possible.
The couple have been married for 20 years - that's eons in Hollywood terms.
The crater was gouged out of the dry landscape eons earlier by a meteorite impact.
The Proterozoic is a geological eon spanning the time from the appearance of oxygen in Earth's atmosphere to just before the proliferation of complex life.
I whole-heartedly endorse shepard's view that over the long eons of evolution, certain psychologically significant universals have become internalized by veridicality.
The various geological periods or ' eons ' are shown in capitals.
The recognition of these four rather clearly distinct eons might be considered as prima facie evidence in favour of a hard-step model with n=4.
Our genetic structure is the result of eons of evolutionary modification.
