-meter

-meter
comb form 构词成分 (forming ns 用以构成名词)
1 device for measuring (sth) 测量（某物）的仪表, 计
    thermometer * voltameter.
2 poetic metre with a given number of feet1(6) （诗的）音步: pentameter * hexameter.

牛津英汉双解词典