essentialset

noun
UK /ɪˈsɛnʃəl sɛt/
US /ɪˈsɛnʃəl sɛt/

A small group of things that you really need and cannot do without.

The teacher gave each student an essentialset of pencils, paper, and a ruler for the art class.


OTHER MEANINGS

2. The most important group of items in a larger collection.

These five songs form the essentialset of the band's greatest hits.

3. A basic set of skills or knowledge needed for a task.

Reading and counting are part of the essentialset for first grade.

4. A minimal group of parts needed to build or use something.

The essentialset for the model car includes the wheels, body, and screws.