A Rectified Linear Unit is a common activation function in deep neural networks and is often abbreviated as "ReLU". I usually pronounce it as /rel-you/ (with the "e" as in "relative" or "rectified"), but I often hear colleagues pronounce it /ray-loo/.

Is there a consensus on the correct pronunciation of "ReLU"?

  • However the guy who invented it pronounces it. If I had to guess, though, I'd say "ree-loo". It's not "rel-you" because the first syllable is obviously "Re", and it doesn't include the "L". And "Re" by itself would be pronounced "ree", as in "repair" or "refund". – Hot Licks Apr 13 '18 at 0:48
  • 1
    I pronounce it 'reh-loo'. – Mitch Apr 13 '18 at 2:58
  • @HotLicks I have to disagree with the guy who invented it pronouncing it right (at least they don't some times, don't know about this case) gifs are definitely gifs, not jifs, however I would pronounce it as Mitch does – Nick A May 25 '18 at 21:21

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