hydromorphone hydrochloride hy·dro·mor·phone hydrochloride (hī’drō-môr’fōn’)
A synthetic derivative of morphine used as a respiratory sedative and analgesic that is more potent than morphine.
hydromphalus hy·drom·pha·lus (hī-drŏm’fə-ləs) n. A cystic tumor at the navel, usually a vitellointestinal cyst.
[hahy-druh-muhlch] /ˈhaɪ drəˌmʌltʃ/ verb (used with object) 1. to spread on (a field, garden, etc.) in a stream of water propelled through a hose.
hydromyelia hy·dro·my·e·li·a (hī’drō-mī-ē’lē-ə) n. A dilation of the central canal of the spinal cord caused by an increase of fluid.
hydromyelocele hy·dro·my·e·lo·cele (hī’drō-mī’ə-lō-sēl’) n. The protrusion of a saclike portion of spinal cord containing cerebrospinal fluid through a spina bifida.