hydrazine
— Noun
– English
～ a colorless fuming corrosive liquid; a powerful reducing agent; used chiefly in rocket fuels
hydrazo group
— Noun
– English
～ the bivalent group -HNNH- derived from hydrazine
hydrazoic acid
— Noun
– English
～ a colorless explosive liquid that is volatile and poisonous and foul-smelling
hydrazoite
— Noun
– English
～ a salt of hydrazoic acid
hydremia
— Noun
– English
～ blood disorder in which there is excess fluid volume compared with the cell volume of the blood
hydric
— Adjective
– English
～ having or characterized by excessive moisture; "a hydric habitat"
hydrid
— Noun
– Danish
～ enhver kemisk forbindelse mellem brint og et andet ...
hydride
— Noun
– English
～ any binary compound formed by the union of hydrogen and other elements
hydrilla
— Noun
– English
～ submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways
hydriodic acid
— Noun
– English
～ (HI) a colorless or yellow aqueous solution of hydrogen iodide; "hydriodic acid is a strong acid"
Hydrobates
— Noun
– English
～ type genus of the Hydrobatidae