Gallium-68



gallium-68 n.
A positron-emitting nuclide having a half-life of 1.13 hours, used as a tracer in brain scanning.

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  • 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 […]



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