Alternative form of play both sides against the middle

(colloquial) Used to introduce something opposed to or different from what preceded

Being the subject of discrimination in society.

(mineralogy) A variety of agate with brown, black, or green moss-like or dendritic markings, due in part to manganese oxide.

(obsolete) In a rough and disagreeable manner; against the grain.

A kind of circle agate, with the central part of deeper tints than the rest of the mass.

A culture medium designed to grow gram-negative bacteria and differentiate them for lactose fermentation.

Used to ask someone to repeat something

plural of race against time

(idiomatic) Repeatedly; again and again; many times.