Instant

Meanings

A very short period of time; a moment.
A camera that uses self-developing film to create a chemically developed print shortly after the photograph is taken.
Impending; imminent.

Instant: philosophy of science, instant refers to an infinitesimal interval in time, whose passage is instantaneous. In ordinary speech, an instant has been defined
Instant messaging: Instant messaging (IM) technology is a type of synchronous computer-mediated communication involving the immediate (real-time) transmission of messages
Instant noodles: Instant noodles, or instant ramen, is a type of food consisting of noodles sold in a precooked and dried block with flavoring powder and/or seasoning