Upside Down Triangle Symbol ▽

For character lookup, Upside Down Triangle Symbol resolves to ▽. ▽ is U+25BD WHITE DOWN-POINTING TRIANGLE, an outlined triangle whose point faces downward. The useful distinction for readers is this: This page covers the Unicode shape ▽. It is not an application-specific dropdown icon, the nabla operator ∇, or a road-warning sign. The existing examples focus on HTML decimal: ▽; HTML hexadecimal: ▽; CSS escapes: 25BD; Accessible text label: Upside Down Triangle Symbol; Down triangle: ▽. The page also groups ▽ with Geometric examples; Text diagrams; List markers; Interface mockups. For dependable text output, follow these rules: Test upside down triangle symbol rendering, copying, search, and accessibility in the final application.; Label ▽ when it controls an interface action; Keep it distinct from ∇ in mathematics; Use SVG or CSS when exact icon geometry is required; Test vertical alignment in the chosen font. The most relevant mistakes to avoid are Assuming ▽ has identical metrics or artwork in every font and platform.; Converting ▽ to an image when selectable text is more appropriate.; Using ▽ as the only accessible name of an interactive control.; Using ▽ as an unlabeled dropdown button. For visual comparison, check ▼ Black down-pointing triangle Filled triangle; △ White up-pointing triangle Opposite direction; ∇ Nabla Mathematical operator rather than substituting them automatically. One practical question is “Why can ▽ look different?” The recorded answer is: Fonts and emoji platforms draw upside down triangle symbol differently while preserving the same encoded sequence. This matters most when fonts, sanitizers, or conversion tools can alter Upside Down Triangle Symbol.