Theta Greek Letter Circle black filled icon
Greek letter theta, an oval with a horizontal bar, inside a circle outline
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About the Theta Greek Letter Circle black filled icon
A tall narrow oval crossed by a single horizontal bar forms the Greek capital theta, centered inside a clean circular badge. The letter stands for angles in trigonometry, temperature and phase in physics, and a parameter in statistics, making it useful for math and engineering courseware, scientific calculators, equation editors, lab report templates, and fraternity or classical-themed branding.
The concentric composition contrasts the wide outer ring with the slimmer inner oval, and the crossbar sits exactly on the vertical midpoint for balance. It belongs with alpha, beta, pi, sigma and omega icons in the Greek alphabet set. Because the crossbar is thin, avoid using it below 24 px.
This is the solid black filled version of the theta greek letter circle icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
Get it free as an SVG vector or transparent PNG (16-512px), copy the SVG code, or restyle it in the free online editor — recolor any part, add gold, neon or gradient effects, animate it, or export EPS, PDF and DXF.
Free for personal and commercial use with attribution.
