multimode

adj

1. (not-comparable)Having, or employing multiple modes.

noun

1. A simultaneous superposition of modes.

   “When the feedback increases, external cavity modes become multimodes and generate the laser noise by random self-mode locking. When the feedback increases further, longitudinal mode hopping or incomplete multimodes appear.”

   “In the multimode graded index fiber, multimodes travel faster as compared to multimode step index fiber.”