1A unit of time — one sixtieth of an hour (a minute). Used constantly to give clock times and durations. Note that the reading alternates between ふん and ぷん depending on the preceding number (e.g., 1分 いっぷん, 2分 にふん, 3分 さんぷん).
電車はあと五分で来ます。
The train will come in five minutes.
ちょっと待って、十分で行くから。
Hold on, I'll be there in ten minutes.
駅まで歩いて何分かかりますか。
How many minutes does it take to walk to the station?
三分間お湯で温めてください。
Please warm it in hot water for three minutes.
会議は十時三十分から始まります。
The meeting starts at ten thirty.
2An old weight unit equal to one-tenth of a 匁 (monme). Effectively never seen in modern everyday Japanese; encountered only in historical contexts such as kanpō medicine recipes or old documents.
古い漢方の処方書には、薬草の量が「一分」「二分」と書かれている。
Old kanpō prescriptions record herb quantities as 'one fun' or 'two fun'.