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biodefense 06/03/2016 GFX Definition of the Day

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biodefense 06/03/2016 GFX Definition #LetsGetWordy #dailygfxdef #biodefense   Let's Get Wordy!®

biodefense 06/03/2016 Definition of the Day

biodefense - procedures involved in taking defensive measures against attacks using biological agents #LetsGetWordy #dailydef #biodefense

Kieselguhr 12/10/2013 Definition of the Day

kieselguhr - light soil consisting of #siliceous #diatom remains and often used as a filtering material #LetsGetWordy #dailydef #kieselguhr