tritium 04/16/2017 GFX Definition of the Day
tritium 04/16/2017 GFX Definition #LetsGetWordy #dailygfxdef #tritium Let's Get Wordy!®
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tritium 04/16/2017 Definition of the Day
tritium - #radioactive #isotope of hydrogen ; w/ #three times the #mass of #ordinary #hydrogen atoms #LetsGetWordy #dailydef #tritium
uranium 03/11/2016 Definition of the Day
uranium - #heavy #toxic #SilveryWhite #radioactive #metallic #element #LetsGetWordy #dailydef #uranium