double vertical line
The "double vertical line" symbol (‖) is used in various fields such as mathematics, typography, music, and programming, each with distinct meanings.
Definition
B2Mathematics
(technical, academic)A pair of parallel lines used to denote the absolute value or the norm of a vector.
Example
- The expression ‖x‖ represents the norm of the vector x.
C1Typography
(technical)Two closely spaced vertical lines used to create visual separation or emphasis in text.
Example
- In the text, the ‖ symbol was used to mark a significant pause.
C1Music
(technical)A notation used to indicate the place in a verse that corresponds to a double barline in Anglican chant.
Example
- The double vertical line marks the end of the musical phrase.
C1Chemistry
(technical)A symbol representing the salt bridge in galvanic cells, connecting the anode and cathode.
Example
- The cell diagram includes a double vertical line to show the salt bridge.
B2Programming
(technical)A logical OR operator in JavaScript that evaluates expressions until it finds one that is true.
Example
- In JavaScript, x || y returns x if x is true, otherwise it returns y.
Similar
Terms that have similar or relatively close meanings to "double vertical line":
horizontal bardouble yellow lineangle bracketbar linegreen line