secondary
Pronunciation: /ˈsɛk(ə)nd(ə)ri/
adjective
- 1coming after, less important than, or resulting from someone or something else that is primary: luck plays a role, but it’s ultimately secondary to local knowledge
- relating to education for children from the age of eleven to sixteen or eighteen: a secondary school
- having a reversible chemical reaction and therefore able to store energy: the lead-acid accumulator used in cars consists of secondary cells
- relating to or denoting the output side of a device using electromagnetic induction, especially in a transformer: the primary and secondary coils of the transformer
noun ( plural secondaries)

Origin:
late Middle English: from Latin secundarius 'of the second quality or class', from secundus (see second1)