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hydrodynamic
hydrodynamics
hydroelectric
hydrofining
hydrofluoric acid
hydrofoil
hydroforming
hydrogasification
hydrogel
hydrogen
hydrogen bomb
hydrogen bond
hydrogen bromide
hydrogen carbonate
hydrogen chloride
hydrogen cyanide
hydrogen embrittlement
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hydrogel
hy·dro·gel [ hdrə jèl ] (plural hy·dro·gels)


noun 
Definition:
 
substance like jelly: a thick fluid like a jelly, formed by the addition of a substance to water
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