- Number of eras
- The general signification of on is situation, motion, or
condition with respect to contact or support beneath
- At, or in contact with, the surface or upper part of a
thing, and supported by it; placed or lying in contact with the
surface; as, the book lies on the table, which stands on the floor of a
house on an island.
- To or against the surface of; -- used to indicate the motion
of a thing as coming or falling to the surface of another; as, rain
falls on the earth.
- Denoting performance or action by contact with the surface,
upper part, or outside of anything; hence, by means of; with; as, to
play on a violin or piano. Hence, figuratively, to work on one's
feelings; to make an impression on the mind.
- At or near; adjacent to; -- indicating situation, place, or
position; as, on the one hand, on the other hand; the fleet is on the
American coast.
- In addition to; besides; -- indicating multiplication or
succession in a series; as, heaps on heaps; mischief on mischief; loss
on loss; thought on thought.
- A long time after surgeon had rugs removed
- A very long time for one in strife
- Age
- Age of opera
- Alternately bemoan a great age
- Alternative hero in a great age
- Chapter in history