You searched for: “subdividing
subdivide (verb), subdivides; subdivided; subdividing
To split something into smaller pieces or parts: Using the microscope, the students could watch the cells subdivide several times.

The producers had to subdivide the TV program because it would have been too long to be presented in one segment.

This entry is located in the following units: divid-, divis- (page 3) sub-, suc-, suf-, sug-, sum-, sup-, sur-, sus-, su- (page 3)