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Noun: upvote  'úp,vowt
  1. A positive vote on a social media website
Verb: upvote  'úp,vowt
  1. Vote online for the usefulness, importance or quality of something (typically by clicking an icon, etc.), to increase the popularity rating of that item
    "I just upvoted this issue"

Derived forms: upvotes, upvoted, upvoting

Type of: ballot, balloting, vote, voting

Encyclopedia: Upvote