noun which may take the genitive case particle 'no', noun
ultrathin; extra-thin
Describes something extremely thin, often used for materials, films, or coatings. Commonly appears in technical or product contexts.
This smartphone uses ultrathin glass.
極薄のフィルムを貼るのは難しい。
Applying an ultrathin film is difficult.
Standard kanji spelling for 'ultrathin'.
Mixed kana-kanji spelling sometimes seen in product descriptions.
Compound of 極 (ごく, 'extremely') and 薄 (うす, 'thin'). The reading ごくうす follows standard rendaku rules.