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hydro

(uncountable, rare) Water.

ˈhaɪdroCurrent173 viewsLast reviewed Jun 29, 2026+ Add a definition
🇬🇧 British & Irish slang
3 definitions
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Seen in the wild
12 citations · last seen May 2026

Seen in the wild

Definitions

UK
#1·Apr 27, 2026UK

(uncountable, rare) Water.

He grabbed a bottle of hydro from the bureau and fumbled nervously to open it.
Heard in the wild
  • “🟢⬇️ Hydro Bot - Province - 30mins 🟢⬇️ ⚡ Active outages: 14 (🟢⬇️ -1) 👥 Customers affected: 752 (🟢⬇️ -31) of 1474923 📊 Customers out: 0.05% Generated at: 2026-05-05 03:00:01”

    — Bluesky· May 2026
  • “🇫🇮 Yesterday wind was ~12% of Finland electricity generation (26GWh). Hydro was ~13% (27GWh). Solar was ~3% (6GWh). Battery output was 0.7GWh. Source: ENTSO-E #Finland #windenergy #solarenergy #hydroenergy”

    — Bluesky· May 2026
  • “🇪🇸 Yesterday wind was ~12% of Spain electricity generation (81GWh). Solar was ~25% (168GWh). Hydro was ~15% (102GWh). Source: RedEléctrica #Spain #windenergy #solarenergy #hydroenergy”

    — Bluesky· May 2026
  • “British electricity mix at 8am on 5th May 2026 🔥Gas 40.8% Biomass 12.9% 🍃Wind 12.3% Solar 7.4% Hydro 1.0% ⚛️Nuclear 15.5% ➡️Imports 10.1% Other 0.0% 🪫Storage 0.0% 🔌Generation 30GW Carbon intensity 241 gCO2e/kWh vs target of annual average 50-100 gCO2e/kWh by 2030”

    — Bluesky· May 2026
  • “🇧🇪 Yesterday wind was ~5% of Belgium electricity generation (10GWh). Solar was ~15% (30GWh). Hydro was ~1% (2GWh). Battery output was 2.6GWh. Source: Elia #Belgium #windenergy #solarenergy #hydroenergy”

    — Bluesky· May 2026
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UK
#2·Apr 27, 2026UK

(British, countable, dated) A spa.

Heard in the wild
  • “🟢⬇️ Hydro Bot - Province - 30mins 🟢⬇️ ⚡ Active outages: 50 (🟢⬇️ -3) 👥 Customers affected: 2,348 (🟢⬇️ -260) of 1475030 📊 Customers out: 0.16% Generated at: 2026-05-05 12:00:02”

    — Bluesky· May 2026
  • “Le syndicat des technologues d'Hydro-Québec annonce une grève le 14 mai”

    — Bluesky· May 2026
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UK
#3·Apr 27, 2026UK

(Canada, uncountable) Electrical power supply; specifically, electrical power provided by a utility (as a publicly-owned one); payment or bills for this.

He crashed his car against a hydro pole.
Origin: From the hydro-, from . . The Canadian "electricity" sense is owing to hydroelectricity being the prevalent source of electricity in much of Canada and many electric companies having the word Hydro in their names. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
Heard in the wild
  • “🇩🇪 Yesterday all wind was ~10% of Germany electricity generation (126GWh). Solar was ~18% (212GWh). Hydro power net of pumped was ~5% (62GWh). Source: SMARD #Germany #windenergy #solarenergy #hydroenergy”

    — Bluesky· May 2026
  • “Here's a radical left lunatic idea. How about requiring , by law, that any company wishing to build a data centre must also fully fund a connected power station using only wind, solar or hydro - or any combo of these. This in consultation with local councils and residents?”

    — Bluesky· May 2026
  • “🇧🇪 Yesterday wind was ~14% of Belgium electricity generation (30GWh). Solar was ~8% (16GWh). Hydro was ~1% (1GWh). Battery output was 1.9GWh. Source: Elia #Belgium #windenergy #solarenergy #hydroenergy”

    — Bluesky· May 2026
  • “Yellow https://www.allforgardening.com/1752674/yellow-6/ Heyy guys, new to hydro plants. This is my favourite one. What does this mean? How do I help him?? Any help would be much appreciated! 😇 by sammisoxi”

    — Bluesky· May 2026
  • “🇫🇮 Yesterday wind was ~34% of Finland electricity generation (77GWh). Hydro was ~11% (24GWh). Solar was ~3% (8GWh). Battery output was 0.6GWh. Source: ENTSO-E #Finland #windenergy #solarenergy #hydroenergy”

    — Bluesky· May 2026
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