…an electromagnetic wave, especially a radio wave, having a constant amplitude…
…the evaluation of a pupil’s progress throughout a course of study, as distinct from by examination…
…the creation of matter as a continuing process throughout time, especially as postulated in steady state theories of the universe…
…stationery, such as invoices and letterheads, printed on a long strip of paper that is often folded zigzag and is perforated so that it can be separated into sheets…
