D defs.my
Entry 1 sense Webster, 1913

Kilo-

/kĭl′ə-/ · Kil·o- · IPA /ˌkɪl.ə-/
01 pref. A combining form used to signify thousand in forming the names of units of measurement; as, kilogram, kilometer, kilowatt, etc.
  1. 1.
    A combining form used to signify thousand in forming the names of units of measurement; as, kilogram, kilometer, kilowatt, etc.