[1] : WordNet (r) 2.0

to a greater extent
     adv : used to form the comparative of some adjectives and adverbs;
           "more interesting"; "more beautiful"; "more quickly"
           syn: more ant: less
see also:
more less 

Extent >> E Words
Extent, definition of term: Extent
extent_pag1.html

Greater >> G Words
Greater, definition of term: Greater
greater_pag1.html

Greater Than >> G Words
Greater Than, definition of term: Greater Than
greater+than_pag1.html