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.
â¢ NB (noun). The noun NB has 2 senses: 1. a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium. 2. a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something.