The phrase "outer structure" is correct and usable in written English.
You can use it to refer to a physical, visible structure or boundary, such as a wall, fence, or perimeter. For example, "The castle's outer structure was strong and imposing, with tall towers and a moat surrounding it."
These inert regions represent the outer structure of the flame.
There are 20 windows, all in the same ellipsoid shape as the outer structure.
The system uses a two-dimensional form of carbon called graphene, which forms the outer structure of the tiny syncells.
The researchers removed all the cells from a dead rat heart, leaving the valves and outer structure as scaffolding for new heart cells injected from newborn rats.
The result is that the halls are housed in a concrete structure completely separate from the building's outer structure, a box within a box, Mr. Puah said.
Within the architect John Voelcker's outer structure Hamilton assembled a visually provocative assemblage of images from advertising, movies and comics as well as more conventional fine art.
"To change the structure of people's inner lives," her husband once told her, you have to "change the outer structures as well".
The outer structures provide matching conditions required for predicting the structure of the reaction zone.
For λ−1<0·15 the inner structures, which exhibit characteristics similar to those of the outer structures, are dominant and have an opposite sense of direction to those of the outer structures.
In this paper, outer structures of the books are examined with descriptive analysis, visual structures are, on the other hand, examined with the content analysis method.
In the outer region the outer structures, which are similar in characteristics as those of a single jet, are observed over the whole mean velocity ratios considered.
