The established group of users for a particular computer program, technology, etc.(noun)
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Use "userbase" in a sentence
"On the surface, there was nothing to indicate that things were going less than fine and, at least to me, it seemed that Jamendo was on a stable basis; they have lots of artists publishing great albums, the userbase is growing and all in all everything seemed fine."
"For example, EA in particular has invested heavily in Wii strategy; if you're an EA investor, wanting the publisher to grow its marketshare on the platform with the largest userbase is a reasonable desire."
"If we assume that our userbase is representative, that means:"