noun
hard hyphen
A hyphen that is always displayed and cannot be used for automatic line breaking, as opposed to a soft hyphen.
このコードでは、ハードハイフンを使って単語を結合しています。
In this code, hard hyphens are used to join words.
Variant with interpunct; less common but still seen in technical contexts.
A soft hyphen is invisible unless a line break occurs at its position; a hard hyphen is always visible and prevents line breaks.
Borrowed from English 'hard hyphen'.