U+3322 "㌢" Square Senti Unicode Character

U+3322 "㌢" Square Senti is a CJK (Chinese, Japanese, and Korean) compatibility ideograph that represents the metric prefix "centi," meaning one hundredth, and is used in Japanese typography as a single square character to denote the unit of measurement for length, specifically the centimeter. This character is part of a set of square-form symbols that encode common metric units and abbreviations in a compact, East Asian writing system style, allowing for consistent vertical or horizontal text layout. It is often found in technical or scientific Japanese documents, where it serves as a visual shorthand for "centimeter" without requiring the full script or Latin alphabet.