一年(いちねん) いちねん noun one year; first year time-period 1. one year; a year A period of one year. 一年(いちねん)は十二(じゅうに)か月(げつ)ある。🔊 There are twelve months in a year. 日本(にほん)に来(き)て一年(いちねん)になる。🔊 It's been one year since I came to Japan. 一年(いちねん)で一番(いちばん)寒(さむ)い月(つき)は一月(いちがつ)だと言(い)われている。🔊 It is said that the coldest month of the year is January. 2. first year; first grade The first year of school or the first grade. Often used as 一年生. 息子(むすこ)は小学校(しょうがっこう)一年生(いちねんせい)です。🔊 My son is in first grade of elementary school. 大学(だいがく)一年(いちねん)のとき、日本語(にほんご)の勉強(べんきょう)を始(はじ)めた。🔊 I started studying Japanese in my first year of university. 一年(いちねん) means "one year" (duration) or "first year" (ordinal).Common expressions一年中(いちねんじゅう): all year round一年間(いちねんかん): for one year (emphasizes duration)一年生(いちねんせい): first-year student, first grader一年(いちねん)に一度(いちど): once a yearNote on counting years一年(いちねん) (1 year)二年(にねん) (2 years)三年(さんねん) (3 years)四年(よねん) (4 years) — not しねん五年(ごねん) (5 years) general Added 2026.2.12 15:50 · Revised 2026.9.2 13:01 10500/10994_ichinen