Black Vertical Rectangle ▮

U+25AE
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Symbol Meaning

This symbol is used in geometry, geographic map legends, design, art, textual graphics, riddles, and rebuses.

The black vertical rectangle is one of the variations of the symbols in typography. This symbol is sometimes placed at the end of a proof to signify “Q.E.D.” or “quod erat demonstrandum,” which means “that which was to be demonstrated.”

You may come across a symbol similar to 25AE in geographic map legends, but with a top pointed end. This symbol is used to represent graphite deposits. Diamonds and pencil cores are made from this material.

The rectangle is one of the basic symbols in geometry, which explains its prevalence not only in this field of study but also in design.

The black vertical rectangle is used in textual graphics to decorate web pages, user nicknames on social media, and messaging platforms.

As for riddles and rebuses, this symbol can indicate that a certain object or phenomenon is black.

The symbol “Black Vertical Rectangle” is included in the “Geometric shapes” subblock of the “Geometric Shapes” block and was approved as part of Unicode version 1.1 in 1993.

Text is also available in the following languages: Español; Русский;

Synonyms

histogram marker, shape, geometry.

Unicode Name Black Vertical Rectangle
Unicode Number
HTML Code
CSS Code
Plane 0: Basic Multilingual Plane
Unicode Block Geometric Shapes
Unicode Subblock Geometric shapes
Unicode Version 1.1 (1993)
Type of paired mirror bracket (bidi) None
Composition Exclusion No
Case change 25AE
Simple case change 25AE
Math +
Grapheme_Base +
scripts Common
Other_Math +
Pattern_Syntax +
Encoding hex dec (bytes) dec binary
UTF-8 E2 96 AE 226 150 174 14849710 11100010 10010110 10101110
UTF-16BE 25 AE 37 174 9646 00100101 10101110
UTF-16LE AE 25 174 37 44581 10101110 00100101
UTF-32BE 00 00 25 AE 0 0 37 174 9646 00000000 00000000 00100101 10101110
UTF-32LE AE 25 00 00 174 37 0 0 2921660416 10101110 00100101 00000000 00000000

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