Informal. hydroelectric power.
a bathhouse, hotel, or resort catering to people taking mineral-water health cures; spa.
an establishment furnishing hydrotherapy.
Informal. of, relating to, or furnishing water, water power, or hydroelectricity: funds for new hydro projects.
Other definitions for hydro- (2 of 3)
a combining form meaning “water,” used in the formation of compound words: hydroplane; hydrogen.
- Also especially before a vowel, hydr-1.
Other definitions for hydro- (3 of 3)
a combining form representing hydrogen in compound words, denoting especially a combination of hydrogen with some negative element or radical: hydrobromic.
- Also especially before a vowel, hydr-2.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use hydro in a sentence
Canada has abundant hydro potential — and in fact Manitoba and Quebec have abundant hydro for sale right now.
Here, however, it's worth noting that heavy use of emissions-free hydro power correlates strongly with lower power rates.
Alaska Electric Light and Power got a 24 percent residential rate hike to deal with inflation and to build a new hydro project.
A large number of these mills are actuated hydraulically or hydro-electrically.Mexico | Charles Reginald Enock
The hydro-electric industry has been largely nationalized by those who are foremost in it.
Retinol, ret′i-nol, n. a hydro-carbon oil used in printers' ink.
Next to my flight in the hydro-aeroplane this was the greatest experience of my life.The Spell of Switzerland | Nathan Haskell Dole
On this supposition the positive impulse is to be regarded as hydro-mechanical.Life Movements in Plants | Sir Jagadis Chunder Bose
British Dictionary definitions for hydro (1 of 4)
British (esp formerly) a hotel or resort, often near a spa, offering facilities for hydropathic treatment
British Dictionary definitions for hydro (2 of 4)
short for hydroelectric
a Canadian name for electricity when it is supplied to a residence, business, institution, etc
British Dictionary definitions for Hydro (3 of 4)
(esp in Canada) a hydroelectric power company or board
British Dictionary definitions for hydro- (4 of 4)
indicating or denoting water, liquid, or fluid: hydrolysis; hydrodynamics
indicating the presence of hydrogen in a chemical compound: hydrochloric acid
indicating a hydroid: hydrozoan
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for hydro-
A prefix that means: water (as in hydroelectric) or hydrogen, (as in hydrochloride).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.