APPEARING

a-per'-ing (apokalupsis, "an unveiling"; epiphaneia, "a manifestation"): Exclusively technical, referring in the six passages where found to the return, the millennial advent of Christ (e.g. 1 Peter 1:7, the King James Version; 2 Timothy 1:10; Titus 2:13).

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.