Arrow 52

Unicode
U+21C3
Category
Arrows
HTML Entity
⇃
CSS
\21C3
The ⇃ (Downwards Harpoon With Barb Leftwards) symbol features a vertical line with a half-arrowhead pointing down and to the left. Found within the Unicode Arrows block, this specialized character is frequently used in mathematics and scientific notation to denote limits, vectors, or specific states in quantum mechanics. It also appears in chemistry alongside its upward counterpart to represent electron spin or reversible equilibrium reactions.

How to Type

Windows
Alt + 8643 or type 21C3 then Alt+X in Microsoft Word
macOS
Control+Command+Space then search "downwards harpoon"
Linux
Ctrl+Shift+U then 21c3
HTML
⇃ or ⇃

In Programming

In academic publishing and technical documentation, this symbol is commonly rendered using the LaTeX command \downharpoonleft to illustrate electron spin states or vector directions.

Tags

arrow chemistry symbol down downwards harpoon left electron spin equilibrium reaction half arrow down left harpoon left math physics arrow quantum mechanics scientific notation unicode math vector notation

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