The spread or popularization of something (e.g., products, technology, ideas) becoming widely known or used.
スマートフォンの普及で生活が大きく変わった。
Life changed greatly with the spread of smartphones.
再生可能エネルギーの普及を促す政策が必要だ。
Policies are needed to promote the widespread adoption of renewable energy.
このソフトウェアは短期間で普及した。
This software became popular within a short period.