"outer appearance" is a correct and usable phrase in written English.
It is used to describe someone or something's physical appearance. For example, "The bride's outer appearance was breathtaking."
Applying cutting force data, operation safety is being studied concerning outer appearance of tool failure.
PUHL: The outer appearance of the safe installations in Berlin was somewhat similar to that in Frankfurt, and probably similar to any other large bank.
Michael Coveney, What's on Stage: Cooper avoids every trap of "disability" acting by suffusing this outer appearance with soul and passion.
Once, however, "character" meant something different - something as much to do with the outer appearance of a person as with the inner being.
There is no second floor, of course, but the windows add an accent to the building's outer appearance and bring natural light into the building's interior.
To preserve the cityscape the renovation measures should be done with care and the outer appearance of the individual buildings should not be changed to a large extent.
The outer appearance hasn't changed, aside from the absence of air-conditioning units hanging from windows--the new windows are aluminum replicas of the old ones, as are the exterior lights.
This autumn sees a new work by the wonderfully uncategorisable Hetain Patel (visual artist, comedian, dancer) called Let's Talk About Dis, which questions the nature of personal identity and the relationship between inner self and outer appearance.
Yet, for a style of performance meant to draw on inner truth rather than outer appearance, the Method has produced a surprisingly bland, same-seeming run of actor-directors.
"There is no doubt that Moroni is the greatest at showing you the person he is standing in front of, and not just the outer appearance but the inner man," Galansino said.
The paper is amply illustrated to show the high quality internal useable space achieved, which has maintained the essence of the rustic and rural setting in its outer appearance.
