a single-atom thick two-dimensional layer of atoms

(organic chemistry) An unsaturated hydrocarbon having at least one double bond; an alkene. / (organic chemistry) An aromatic hydrocarbon based on benzene. / A polymer derived from an alkene.

(philosophy) An entity or being; an existing thing, as opposed to a quality or attribute.

plural of en

In agreement; harmonious.

Alternative form of en masse

with one's family, or as a family / informally / at home

(fencing) Used to warn one's opponent to take a defensive position prior to a fight.

(fencing) Ellipsis of en garde position.; the start position in fencing.

(law) As a group, particularly with respect to a legal decision rendered by all of the judges sitting on a court, rather than by a smaller panel of judges from that court.