peripheral
adjective /pəˈrɪfərəl/
/pəˈrɪfərəl/
- (formal) not as important as the main aim, part, etc. of something
- peripheral information
- matters of peripheral concern
- peripheral to something Fund-raising is peripheral to their main activities.
- (specialist) connected with the outer edge of a particular area
- the peripheral nervous system
- peripheral vision
- (computing) (of equipment) connected to a computer
- a peripheral device