hydro

n. the supply of electricity, or the bill you pay for it.

n. the electrical power supply provided by a utility; by extension, the utility company itself or the associated billing.

“I need to pay the hydro before they cut off my lights.”

“Residents in Ontario often complain about the rising cost of hydro during the peak summer months when air conditioning usage spikes.”

Dialect

n. electricity produced by the force of moving water.

n. electrical energy generated through the use of falling or flowing water.

“The country gets most of its energy from hydro and wind power.”

“The government invested heavily in hydro to reduce the nation's reliance on coal-fired power stations.”

n. a type of marijuana grown in water rather than soil.

n. cannabis cultivated using hydroponic methods rather than traditional soil-based agriculture.

“He was arrested for selling hydro out of his apartment.”

“The police raid uncovered a sophisticated indoor operation dedicated to producing high-grade hydro for local distribution.”

Slang

n. a hotel or place where people go for health treatments using water.

n. a hydropathic establishment or spa hotel providing therapeutic water treatments.

“The old Victorian hydro has been converted into a luxury apartment building.”

“In the late nineteenth century, the town was famous for its hydro, attracting wealthy visitors seeking the water cure.”

British English · Archaic

adj. related to water power or growing plants in water.

adj. relating to hydroelectricity or hydroponics; functions as a clipping in informal or technical shorthand.

“The farm uses a hydro system to grow lettuce all year round.”

“The engineer reviewed the hydro project plans to ensure the dam could withstand seasonal flooding.”

Informal