See under (def 1).
Crystallography. an imaginary line either the acute angle (acute bisectrix) or the obtuse angle (obtuse bisectrix) of the optic axes of a biaxial crystal.
Geometry. a bisector.
noun (pl) bisectrices (baɪˈsɛktrɪˌsiːz)
another name for bisector
the bisector of the angle between the optic axes of a crystal
- Acute brain disorder
acute brain disorder acute brain disorder n. An organic brain syndrome that is caused by temporary reversible impairment of brain functioning and is characterized by mood changes that range from mild disorientation to delirium and can include more serious personality and behavior disturbances. Also called acute neuropsychologic disorder.
- Acute brachial radiculitis
acute brachial radiculitis acute brachial radiculitis n. See brachial plexus neuropathy.
- Acute bulbar poliomyelitis
acute bulbar poliomyelitis acute bulbar poliomyelitis n. A poliomyelitis virus infection affecting nerve cells in the medulla oblongata and causing paralysis of certain motor nerves.
providing emergency services and general medical and surgical treatment for acute disorders rather than long-term residential care for chronic illness. Contemporary Examples Your loved one cannot be cured in an acute-care hospital but is not ready for hospice. Meet America’s Overworked Caregivers Gail Sheehy April 29, 2010