#1 popularise v. [popularize, vulgarize, vulgarise, generalize, generalise] cater to popular taste to make popular and present to the general public; bring into general or common use; "They popularized coffee in Washington State"; "Relativity Theory was vulgarized by these authors". wn
#2 popularise v. [popularize] make understandable to the general public; "Carl Sagan popularized cosmology in his books". wn
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