noun-modifying (irregular)
Describes glasses without a frame around the lenses.
He wears rimless glasses.
noun-modifying (irregular)
Used for printing without margins, such as borderless photos or documents.
This printer supports borderless printing.
Common katakana spelling; usually written in kana.
Kanji spelling using 縁 (rim/edge). Less common than kana forms.
Alternate kanji spelling with 無し; rarely used.
Compound of フチ (rim, edge) + なし (without). The word is a straightforward native Japanese formation.