Another far left wing terminology to support diversity. Another name for a racial quota.
"Critical mass" means that it is important for a sufficient number of "minorities" to be enrolled on campus so that they not feel "isolated." When the number of blacks dropped at UC Berkeley following the passage of 209, the opponents of 209 argued that the drop in black enrollment created a "hostile environment" for those enrolled. "Critical mass" theory also means that the remainder of the student body needs to see enough black faces so that they can benefit from "diversity."
the ultimate state of ecstasy or euphoria obtained through ingestion of illicit drug(s) or substance(s)- also known as a "peak." A certain concentration of drug ingested by an individual causes this state of critical mass. Beyond this point of critical mass, further drug intake does not result in increased euphoria or ecstasy.
the kids saw the pigs comming down the street, and all formed a critical mass and pushed the dumpster into the middle of the street and set in on fire.