subperiod
noun
sub·pe·ri·od
| \ ˈsəb-ˌpir-ē-əd
\
\
variants:
or sub-period
plural subperiods
or sub-periods
Definition of subperiod
: a period that is a subdivision of a longer period
… the Ice Age, more precisely, 10,000 years ago or the tail end of the Pleistocene subperiod.— Robert Carr Let's look at the subperiods of the 1980s. The first quarter of the decade had to be devoted to fighting against two-digit inflation. — The Christian Science Monitor
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