Symbols:Abbreviations/L

LCM or l.c.m.

 * The lowest (or least) common multiple.

LHS

 * Left hand side.

In an equation:
 * $\textrm {Expression}\ 1 = \textrm {Expression}\ 2$

the term $\textrm {Expression}\ 1$ is the LHS.

LSC

 * Lower semicontinuous.