[hey-ley-shuh n, ha-] /heɪˈleɪ ʃən, hæ-/
a blurred effect around the edges of highlight areas in a photographic image caused by reflection and scattering of light through the emulsion from the back surface of the film support or plate.
(photog) fogging usually seen as a bright ring surrounding a source of light: caused by reflection from the back of the film
halation ha·la·tion (hā-lā’shən)
[ha-ley-zuh-pam] /hæˈleɪ zəˌpæm/ noun, Pharmacology. 1. a derivative of benzodiazepine, C 17 H 12 ClF 3 N 2 O, used for management of anxiety disorders. halazepam hal·az·e·pam (hā-lāz’ə-pām’) n. A benzodiazepine used in the management of anxiety disorders and for short-term relief of symptoms of anxiety.
[hal-uh-zohn] /ˈhæl əˌzoʊn/ noun 1. a white crystalline powder, C 7 H 5 Cl 2 NO 4 S, having a strong chlorinelike odor, used to disinfect water.
[hal-berd, hawl-, hol-; formerly haw-berd] /ˈhæl bərd, ˈhɔl-, ˈhɒl-; formerly ˈhɔ bərd/ noun 1. a shafted weapon with an axlike cutting blade, beak, and apical spike, used especially in the 15th and 16th centuries. /ˈhælbəd/ noun 1. a weapon consisting of a long shaft with an axe blade and a pick, topped by a spearhead: […]
[hal-ber-deer] /ˌhæl bərˈdɪər/ noun 1. a soldier, guard, or attendant armed with a halberd.