break down into

phrase

1

: to separate (something) into (simpler substances)

Water can be broken down into hydrogen and oxygen through electrolysis.

2

: to become separated into simpler substances

Water can break down into hydrogen and oxygen through electrolysis.

3

: to divide (something) into (parts or groups)

The report is broken down into three sections.

4

: to be able to be divided into parts or groups

The report breaks down into three sections.