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Yahwism

American  
[yah-wiz-uhm] / ˈyɑ wɪz əm /
Also Yahvism

noun

  1. the worship of Yahweh or the religious system based on such worship.


Yahwism British  
/ ˈjɑːwɪzəm, ˈjɑːvɪzəm /

noun

  1. the use of the name Yahweh, esp in parts of the Old Testament, as the personal name of God

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Yahwism

First recorded in 1865–70; Yahw(eh) + -ism