halo nevus n.
A usually benign, sometimes multiple, melanotic nevus that involutes, producing a pigmented center that is surrounded by a uniformly depigmented zone. Also called leukoderma acquisitum centrifugum, Sutton’s disease.
[hal-oh-per-i-dawl, -dol] /ˌhæl oʊˈpɛr ɪˌdɔl, -ˌdɒl/ noun, Pharmacology. 1. a major antipsychotic agent, C 21 H 23 ClFNO 2 , used in the management of schizophrenia, severe anxiety, and other behavioral disorders. haloperidol hal·o·per·i·dol (hāl’ō-pěr’ĭ-dôl’, -dōl’) n. A tranquilizer used especially in the treatment of psychotic disorders, including schizophrenia.
halophil hal·o·phil (hāl’ə-fĭl) or hal·o·phile (-fīl’) n. An organism, especially a microorganism, that requires a high concentration of salt in its environment for optimal growth. hal’o·phil’ic (-fĭl’ĭk) adj.
[hal-uh-fahyl] /ˈhæl əˌfaɪl/ noun 1. any organism, as certain halobacteria and marine bacteria, that requires a salt-rich environment for its growth and survival. /ˈhæləʊˌfaɪl/ noun 1. an organism that thrives in an extremely salty environment, such as the Dead Sea
[hal-uh-fahyt] /ˈhæl əˌfaɪt/ noun 1. a plant that thrives in saline soil. /ˈhæləʊˌfaɪt/ noun 1. a plant that grows in very salty soil, as in a salt marsh halophyte (hāl’ə-fīt’) A plant adapted to living in salty soil, as along the seashore or in salt flats. Mangroves, salt-marsh grasses, and saltbushes are halophytes.