(telecommunications) A group of supergroups.

Misspelling of masturbation.

plural of MasterCard

(banking) A credit card issued by the credit card company MasterCard.

(archaic) Bound to a master

(education) A teaching philosophy stating that students must achieve a level of mastery in each topic (e.g. 90% in a test) before moving on to further topics.

(education) The combination of flipped learning and mastery learning.

Alternative form of master copy

(transitive, intransitive, publishing, printing) To transfer edits to a master copy from various stakeholders' copies (as for example with multiple authors and editors).

(participial adjective) having been mastercopied.