GDict

logarithm

'lɒ:gәriðәm4 senses · 55 ms
Level C2
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noun/ˈlɒɡ.ə.ɹɪ.ð(ə)m//ˈlɔɡ.ə.ɹɪ.ð(ə)m//ˈlɑ.ɡə.ɹɪ.ð(ə)m/
  1. 1

    For a number x, the exponent by which a given base number must be raised in order to obtain the power x. Written log _bx. For example, log ₁₀1000=3 because 10³=1000 and log ₂16=4 because 2⁴=16.

    • For a currency which uses denominations of 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, etc., each jump in the base-10 logarithm from one denomination to the next higher is either 0.3010 or 0.3979.

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