Yes it is
Hurry Xmas was created on 2007-11-14.
greek is the origin of oceanography
lahar is the term for mass movement that is volcanic in origin
The term is etymology.
Glacial drift is the term for all sediments of glacier origin.
Father Xmas was created in 2001.
Amrep Xmas was created in 1997.
No, Xmas was not originally used in a derogatory way. The X was used in Christian texts as a shorthand way to represent the word Christ. For more explanation please see the Related Question, below.
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The duration of 'R Xmas is 1.42 hours.
The duration of Father Xmas is 1200.0 seconds.