But to be mutable or changeable in way of diminution, lapsable or peccable, is an essential property of a rational imperfect being.

He does not have much of a standing as a chemist.

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.

a delicate and tender prince