hydric
— Adjective
– English
～ having or characterized by excessive moisture; "a hydric habitat"
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
hydrobromic acid
— Noun
– English
～ an aqueous solution of hydrogen bromide that is a strong liquid acid
hydrocarbon
— Noun
– English
～ an organic compound containing only carbon and hydrogen
hydrocele
— Noun
– English
～ disorder in which serous fluid accumulates in a body sac (especially in the scrotum)
hydrocephalic
— Adjective
– English
～ relating to or characterized by or evidencing hydrocephalus
hydrocephalus
— Noun
– English
～ an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological
hydrocephaly
— Noun
– English
～ an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological
hydrochloric acid
— Noun
– English
～ an aqueous solution of hydrogen chloride; a strongly corrosive acid
hydrochloride
— Noun
– English
～ a complex consisting of an organic base in association with hydrogen chloride
hydrochlorofluorocarbon
— Noun
– English
～ a fluorocarbon that is replacing chlorofluorocarbon as a refrigerant and propellant in aerosol cans; considered to be somewhat less destructive to the atmosphere
hydrochlorothiazide
— Noun
– English
～ a diuretic drug (trade name Microzide, Esidrix, and HydroDIURIL) used in the treatment of hypertension