hydro-

(redirected from hydo-)
Also found in: Medical.

hydro-

or hydr-
pref.
1.
a. Water: hydroelectric.
b. Liquid: hydrodynamics.
2. Hydrogen: hydrochloride.

[Greek hudro-, hudr-, from hudōr; see wed- in Indo-European roots.]

hydro-

or sometimes before a vowel

hydr-

combining form
1. indicating or denoting water, liquid, or fluid: hydrolysis; hydrodynamics.
2. (Chemistry) indicating the presence of hydrogen in a chemical compound: hydrochloric acid.
3. (Zoology) indicating a hydroid: hydrozoan.
[from Greek hudōr water]

hy•dro

(ˈhaɪ droʊ)

n., pl. -dros,
adj. n.
1. hydroelectric power.
2. a hydroplane.
3. Brit. a spa offering hydrotherapy.
adj.
4. of, pertaining to, or furnishing water, water power, or hydroelectricity.
[1880–85; by shortening of compounds with hydro-1 (compare -o)]

hydro-1

,
a combining form meaning “water”: hydroplane; hydrogen.
Also, esp. before a vowel, hydr-.
[< Greek, comb. form of hýdōr water]

hydro-2

,
a combining form representing hydrogen, used esp. in the names of chemical compounds in which hydrogen is combined with some negative element or radical: hydrobromic.
Also, esp. before a vowel, hydr-.
Translations

hydro-

pref (= concerning water)Hydro-, hydro-, Wasser-, wasser-; (Chem, +n) → -wasserstoff m;
hydrocarbon
hydrocephalic
adjwasserköpfig, mit einem Wasserkopf
hydrocephalus
nWasserkopf m
hydrochloric acid
nSalzsäure f
hydrodynamics
n sing or plHydrodynamik f
hydroelectric
hydroelectricity
hydroelectric power
hydroelectric power station
hydrofoil
n (= boat)Tragflächen- or Tragflügelboot nt; (= fin)Tragfläche for -flügel m

hydro-

:
hydropathic
adjhydrotherapeutisch
hydrophobia
nHydrophobie f (spec), → Wasserscheu f; (= rabies)Tollwut f
hydrophobic
adjhydrophob (spec), → wasserscheu
hydroplane
n
(Aviat) (= aircraft)Wasserflugzeug nt, → Flugboot nt; (= float)Schwimmer m
(Naut) (= boat)Gleitboot nt; (of submarine)Tiefenruder nt
hydroponics
n singHydrokultur f
hydropower
nWasserkraft f
hydrotherapeutics
n singWasserheilkunde f, → Hydrotherapeutik f (spec)
hydrotherapy
nWasserbehandlung f, → Hydrotherapie f (spec)