Definition of an/per hour
- The speed limit is 65 miles per hour.
- a ball thrown at 88 miles an hour
: by the means or agency of : through
: with respect to every member of a specified group : for each
: according to
: for each : apiece
: throughout : thoroughly
: containing the largest possible or a relatively large proportion of a (specified) chemical element
: containing an element in its highest or a high oxidation state
: a time or office for daily liturgical devotion
: the 24th part of a day : 60 minutes
: the time of day reckoned in two 12-hour periods
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