After Aristotle's death, no great leaps in Western rationalistic thought occurred for the next 1,800 years.

Yet another huge leap of the oil price occurred near the turn of the decade.

A leap in thought occurred in the 1873 patent of the Schmoele brothers.

It is cleared when the leap second occurs.

Two enormous leaps occurred in the late 19th century, which together allowed the transition to modern surgery.

Sometimes these great leaps of knowledge occur in more than one laboratory, almost simultaneously.

The first leap second occurred on 30 June 1972.

Believe me, braced is the position to be in when these great leaps occur.

But that leap would occur only after a sharp decline and then only under certain conditions.

Most leaps of 4ths actually occur between the end of one phrase and the beginning of another.