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.
A bris, or brit milah, is the ritual circumcision of a Jew. A bris is not merely a medical procedure, however. It is a symbol of the Jewish partnership with God, the covenant of Abraham. For the son of Jewish parents, a bris is usually on the 8th day after birth.