When people call an issue in a discussion peripheral, they mean that it's not of primary importance, and they're probably suggesting that everyone get back to the main topic.

PERIPHERAL definition: relating to, situated in, or constituting the periphery. See examples of peripheral used in a sentence.

Define Periferal. Periferal synonyms, Periferal pronunciation, Periferal translation, English dictionary definition of Periferal. adj. 1. Related to, located in, or constituting an outer boundary or periphery. 2. …

PERIPHERAL definition: 1. Something that is peripheral is not as important as something else: 2. happening at the edge of…. Learn more.

of or relating to the periphery: the peripheral boundaries. concerned with less central aspects of a problem or situation: questions peripheral to the main issue.

Anything peripheral is on the margin, or outside, while main things, like a computer's processor, are not peripheral. Outside of computer jargon, peripheral is a common term in eye exams, which measure …

These probably lessen fever by their action upon the nerve centres which regulate the temperature of the body, and partly by their peripheral action in causing the secretion of sweat.

PERIPHERAL meaning: 1 : not relating to the main or most important part often + to; 2 : connected to a computer but not an essential part of it

peripheral, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Peripheral areas of land are ones which are on the edge of a larger area. ...peripheral regions beyond the reach of powerful rulers. ...urban development in the outer peripheral areas of large towns.