I. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: under (III) + time, n.
1. : a time less than the time allotted for the performance of some task or the completion of a program or speech
2. : working time that is less than full time or a required minimum
II. | ̷ ̷ ̷ ̷| ̷ ̷ transitive verb
Etymology: under (I) + time, v.
: to allow too short a time for
undertime a photographic exposure