Translation guide
The English word "pane" refers to a single sheet of glass in a window or door. This concept is expressed in Japanese with specific words for glass sheets, and the translation depends on context.
窓ガラス
window pane
A single sheet of glass in a window
a pane of glass · the window pane is cracked · double-pane windows
General term for a sheet of glass, commonly used for window panes.
窓のガラス板が割れた。
The window pane broke.
Specifically refers to window glass, often implying the pane itself.
窓ガラスを一枚交換する必要がある。
We need to replace one window pane.
Literally 'one sheet of glass', used when counting or emphasizing a single pane.
この窓は一枚のガラスでできている。
This window is made of a single pane of glass.
A glass sheet in a door, cabinet, etc.
Same as for windows; context clarifies the location.
ドアのガラス板が曇っている。
The door pane is foggy.
Often just 'glass' is enough when the pane is obvious from context.
棚のガラスが割れた。
The glass pane in the shelf broke.
A section of a window in a user interface
Loanword from English, used in technical contexts for GUI panes.
左のペインにファイル一覧が表示される。
The file list is displayed in the left pane.
Literally 'window frame', sometimes used for panes in software.
ウィンドウ枠を分割する。
Split the window pane.
Use the counter 枚 (まい) for flat objects like glass panes. Example: ガラス板一枚 (one pane of glass).