material safety data sheet, n an informational form detailing the chemical and physical properties, hazards, and ways of safely handling a toxic chemical.
BRB means be right back. It is one of the most commonly used acronyms in online chat and texting. It communicates that the person is leaving for a moment, but will be back shortly.
nub. n. 1. A protuberance or knob. 2. A small lump. 3. The essence; the core: the nub of a story. [Variant of.