half-width characters; single-byte characters
Refers to characters that occupy half the width of a full-width character, such as ASCII letters, digits, and katakana. Commonly used in computing and text formatting contexts. The term 'en quad' is a typographic equivalent but rarely used in everyday Japanese.
See also: 全角
Please enter your password using half-width alphanumeric characters.
Half-width katakana cannot be used in this form.
half-width kana
half-width digit
half-width character; single-byte character
half-width alphanumeric characters
half-width katakana
Compound of 半 (half) and 角 (square/block), referring to the half-width block of a character in typesetting and computing.