Mullion
noun
A vertical bar between the panes of glass in a window.
The mullion in the middle of the window divided it into two sections.
Often appears as...
- window mullion
- mullion bar
Usage tips
Technical
noun
A vertical element that forms a division between units of a window or screen.
The church's stained glass window was decorated with ornate mullions.
Often appears as...
- stone mullion
- mullion detail
Usage tips
Architectural
noun
A vertical bar between the panes of glass in a window.
The mullion in the middle of the window divided it into two sections.
Often appears as...
- window mullion
- mullion bar
Usage tips
Technical
noun
A vertical element that forms a division between units of a window or screen.
The church's stained glass window was decorated with ornate mullions.
Often appears as...
- stone mullion
- mullion detail
Usage tips
Architectural
Definition 1 of 2
Pro Tip 1/3Architectural Feature
Used to describe parts of a building's windows, not just any vertical bar.
The modern office building's facade was notable for its glass walls and slim mullions.
Pro Tip 2/3Visual Separation
Mullions visually break up large glass areas, making windows more interesting.
The designer added mullions to create a pattern on the vast glass surface.
Pro Tip 3/3Supportive Role
Mullions can also provide structural support to windows.
To prevent the large window from sagging, they reinforced it with a sturdy mullion.
Pro Tip 1/3Architectural Feature
Used to describe parts of a building's windows, not just any vertical bar.
The modern office building's facade was notable for its glass walls and slim mullions.
Pro Tip 2/3Visual Separation
Mullions visually break up large glass areas, making windows more interesting.
The designer added mullions to create a pattern on the vast glass surface.
Pro Tip 3/3Supportive Role
Mullions can also provide structural support to windows.
To prevent the large window from sagging, they reinforced it with a sturdy mullion.
Pro Tip 1/3Architectural Feature
Used to describe parts of a building's windows, not just any vertical bar.
The modern office building's facade was notable for its glass walls and slim mullions.
Pro Tip 2/3Visual Separation
Mullions visually break up large glass areas, making windows more interesting.
The designer added mullions to create a pattern on the vast glass surface.
Pro Tip 3/3Supportive Role
Mullions can also provide structural support to windows.
To prevent the large window from sagging, they reinforced it with a sturdy mullion.
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