Yahoo香港字典 搜尋


  1. geometric progression

    • IPA[ˌjēəˈmetrik prəˈɡreSH(ə)n]


    • n.
      a progression of numbers with a constant ratio between each number and the one before (e.g., each subsequent number is increased by a factor of 3 in the progression 1, 3, 9, 27, 81).
    • noun: geometric progression, plural noun: geometric progressions