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  1. English word I didn't know of: efficacy. At first I thought it was a big typo.

    Thursday, 20-Oct-16 10:59:20 UTC from web
    1. @adiwan I still think of it as the pretentious version of 'effectiveness'.

      Thursday, 20-Oct-16 11:16:25 UTC from gs.kawa-kun.com at 47°39'25"N 122°22'31"W
      1. @takekiwiakenji I think that too. This word was used in a title of a scientific paper. Maybe they wanted to make the long title a tiny bit shorter.

        Thursday, 20-Oct-16 11:20:42 UTC from web
      2. @takeFrankerZakenji @adiwan There's a minor difference in meaning, but negligible in most cases.

        Thursday, 20-Oct-16 11:44:58 UTC from web
      3. @takePotato Knishesakenji @adiwan Example: rocket engines in high speed cars are extremely effective in their goal of speed, yet they are not efficient due to their massive fuel consumption and heat generation.

        Thursday, 20-Oct-16 11:46:32 UTC from web
    2. @adiwan thank you for sharing this word discovery with me

      Thursday, 20-Oct-16 11:35:05 UTC from web