U+33DE "㏞" Square V over M Unicode Character

U+33DE "㏞" Square V over M is a CJK Compatibility Ideograph that represents the unit "volt per meter" (V/m), a standard measurement of electric field strength in physics and engineering. It is encoded in the Unicode standard as part of the CJK Compatibility block, which historically was used to encode compatibility characters for East Asian text processing, particularly in older character sets. Visually, the character appears as a small square containing the letter "V" positioned above the letter "M", and it is primarily intended for use in contexts where space is limited, such as on labels, signs, or in terminal displays, rather than in normal prose where the spelled out unit is preferred.