ピリオドpiriodo

1. nounperiod (esp. in European languages); full stop
   文ぶんを書かくときには、ふつう大文字だいもんじで始はじめ、ピリオド（.）、または感嘆符かんたんふ（!）、疑問符ぎもんふ（?）、で終おわる。↗

   When writing a sentence, generally you start with a capital letter and finish with a period (.), an exclamation mark (!), or a question mark (?).
2. nounperiod (of time); era
3. noun, sportsperiod (interval of a game)

• Synonym終止符しゅうしふWrittenCan also refer to the Western full stop, but is mostly used in 「終止符を打つ」 to figuratively end something; written/formal, and more solemn than 「ピリオドを打つ」.
• Related句点くてんNeutralRefers to the Japanese (or Chinese) full stop 「。」 and is used as a grammar term; 「ピリオド」 is the 「.」 in horizontal Western text, and can also figuratively mean an end.

Use 「ピリオド」 for the Western full stop 「.」 and 「句点」 for the Japanese 「。」. For a figurative end, 「ピリオドを打つ」 is the usual phrase; 「終止符を打つ」 is a more formal, written alternative.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 「.」の記号きごう、終止符しゅうしふ、連れん読よみ符ふ。
2. 事件じけんなどの終おわり、一区いちく切きり。
3. 期間きかん、時代じだい、周期しゅうき。
4. 競技きょうぎ時間じかんの単位たんい。