step-up, increase - the act of increasing something; "he gave me an increase in salary"

dilatation, dilation - the act of expanding an aperture; "the dilation of the pupil of the eye"

distension, distention - the act of expanding by pressure from within

stretching - act of expanding by lengthening or widening

inflation - the act of filling something with air

magnification - the act of expanding something in apparent size

extension - act of expanding in scope; making more widely available; "extension of the program to all in need"

discussion, discourse, treatment - an extended communication (often interactive) dealing with some particular topic; "the book contains an excellent discussion of modal logic"; "his treatment of the race question is badly biased"

expatiation - a discussion (spoken or written) that enlarges on a topic or theme at length or in detail

embellishment, embroidery - elaboration of an interpretation by the use of decorative (sometimes fictitious) detail; "the mystery has been heightened by many embellishments in subsequent retellings"

photo, photograph, pic, exposure - a picture of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material