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hydro-
1a combining form meaning “water,” used in the formation of compound words.
hydroplane; hydrogen.
hydro-
2a combining form representing hydrogen in compound words, denoting especially a combination of hydrogen with some negative element or radical.
hydrobromic.
hydro
3[hahy-droh]
noun
plural
hydrosInformal.hydroelectric power.
Informal.hydroplane.
British.
a bathhouse, hotel, or resort catering to people taking mineral-water health cures; spa.
an establishment furnishing hydrotherapy.
adjective
Informal.of, relating to, or furnishing water, water power, or hydroelectricity.
funds for new hydro projects.
hydro
1/ ˈɪəʊ /
noun
(esp formerly) a hotel or resort, often near a spa, offering facilities for hydropathic treatment
hydro
2/ ˈɪəʊ /
adjective
short for hydroelectric
noun
a Canadian name for electricity when it is supplied to a residence, business, institution, etc
Hydro
3/ ˈɪəʊ /
noun
(esp in Canada) a hydroelectric power company or board
hydro-
4combining form
indicating or denoting water, liquid, or fluid
hydrolysis
hydrodynamics
indicating the presence of hydrogen in a chemical compound
hydrochloric acid
indicating a hydroid
hydrozoan
–
A prefix that means: “water” (as in hydroelectric) or “hydrogen,” (as in hydrochloride).
Word History and Origins
Origin of –1
Origin of –2
Word History and Origins
Origin of –1
Example Sentences
Spinrad visited Southern California in late May and was taken aback by the number of people raising concern over the agency’s ability to continue predicting atmospheric river events, with all of their implications on public safety, reservoir operations and hydro power.
She says a performance at Glasgow's OVO Hydro last year was particularly memorable.
Fan Chloe Banning told BBC Scotland News the majority of fans at the Hydro were sympathetic when Murs walked off, though a minority were angry over the cancellation.
The former X Factor contestant was only six songs into his set at the OVO Hydro venue when he had to call it quits, leaving fans disappointed.
Last year he was unable to support Take That at the OVO Hydro in Glasgow after his flight was cancelled.
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When To Use
Hydro- is a combining form used like a prefix that has two distinct senses.The first of these senses is “water,” and this form of hydro- is often used in a variety of scientific and technical terms. Hydro- comes from Greek ýō, meaning “water.”The second of these senses is “hydrogen,” and this form of hydro- is occasionally used in a variety of scientific terms, especially in chemistry. Hydrogen, the lightest of the elements, combines with oxygen to form water. The word hydrogen comes from French DzèԱ. The suffix -gen, or its equivalent in French, means "that which produces." Hydrogen literally translates to "that which produces water." are variants of hydro-?When combined with words or word elements that begin with a vowel, hydro- becomes hydr-, as in hydrant. Want to know more? Read our Words That Use article on hydr-.
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