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hydro

nounColloquial

A Canadian English slang term. Browse all Canadian slang.

What it means

  1. Electricity, and specifically the electricity bill. The hydro's out means the power has gone.

In use

  • The hydro bill doubled this winter.

  • Hydro's been out since the storm.

Where it comes from

From hydroelectricity, which supplies the great majority of power in Ontario, Quebec, Manitoba and British Columbia. Provincial utilities are named accordingly — Hydro One, Hydro-Québec — and the word for the source became the word for the service.