Gallium-67
gallium-67 n.
A gamma-ray emitting nuclide having a half-life of 78 hours, used in its citrate form as a tumor- and inflammation-localizing radiotracer.
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- Gallium-68
gallium-68 n. A positron-emitting nuclide having a half-life of 1.13 hours, used as a tracer in brain scanning.
- Gallium-arsenide
noun, Chemistry. 1. a crystalline and highly toxic semiconductor, GaAs, used in light-emitting diodes, lasers, and electronic devices. gallium arsenide A dark-gray crystalline compound used in transistors, solar cells, and semiconductor lasers. Chemical formula: GaAs.
- Gallivant
[gal-uh-vant, gal-uh-vant] /ˈgæl əˌvænt, ˌgæl əˈvænt/ verb (used without object) 1. to wander about, seeking pleasure or diversion; gad. 2. to go about with members of the opposite sex. /ˈɡælɪˌvænt/ verb 1. (intransitive) to go about in search of pleasure; gad about v. 1809, probably a playful elaboration of gallant in an obsolete verbal sense […]
- Gallivanter
[gal-uh-vant, gal-uh-vant] /ˈgæl əˌvænt, ˌgæl əˈvænt/ verb (used without object) 1. to wander about, seeking pleasure or diversion; gad. 2. to go about with members of the opposite sex. /ˈɡælɪˌvænt/ verb 1. (intransitive) to go about in search of pleasure; gad about v. 1809, probably a playful elaboration of gallant in an obsolete verbal sense […]
- Gallivanting
[gal-uh-vant, gal-uh-vant] /ˈgæl əˌvænt, ˌgæl əˈvænt/ verb (used without object) 1. to wander about, seeking pleasure or diversion; gad. 2. to go about with members of the opposite sex. /ˈɡælɪˌvænt/ verb 1. (intransitive) to go about in search of pleasure; gad about v. 1809, probably a playful elaboration of gallant in an obsolete verbal sense […]