externally

adv

Etymology: Etymology tree English external Middle English -ly English -ly English externally From external + -ly.

1. on the surface or the outside

   “In trumpets for assisting the hearing, all reverbation of the trumpet must be avoided. It must be made thick, of the least elastic materials, and covered with cloth externally. For all reverbation lasts for a short time, and produces new sounds which mix with those which are coming in.”