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steato-

American  
especially before a vowel, steat-.
  1. a combining form meaning “fat,” “tallow”; used in the formation of compound words.

    steatopygia.


steato- British  

combining form

  1. denoting fat

"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 steato-

< Greek steat- (stem of stéar fat) + -o-