一本(いっぽん)

いっぽん
noun
one (long cylindrical object); one point (judo); single-mindedness
quantity
1. one (long cylindrical object)
The counter reading for one of something long and thin, such as bottles, pens, trees, or roads.
ビールを一本(いっぽん)ください。
Please give me one beer.
ペンが一本(いっぽん)足(た)りない。
One pen is missing.
道(みち)は一本(いっぽん)だけだ。
There's only one road.
2. ippon, full point (judo/martial arts)
A full point in judo or other martial arts that wins the match instantly.
一本(いっぽん)を取(と)った。
He scored an ippon.
見事(みごと)な一本(いっぽん)勝(が)ちだった。
It was a splendid ippon victory.
The referee declared ippon.
3. single-mindedness, one track
A focus on one thing, often used in compound expressions.
He has a single-minded personality.
芸(げい)の道(みち)一本(いっぽん)で生(い)きてきた。
I've lived by focusing solely on my art.
野球(やきゅう)一本(いっぽん)でやってきた。
I've devoted myself entirely to baseball.

一本(いっぽん) is the reading for "one" with the counter 本(ほん), used for long cylindrical objects.

COUNTING PATTERNS (Sense 1):

USAGE (Sense 2):

  • 一本(いっぽん): full point (instant win)
  • 技(わざ)あり: half point
  • 一本(いっぽん)勝(が)ち: ippon victory

COMPOUNDS (Sense 3):

  • 一本気(いっぽんぎ): single-mindedness, straightforwardness
  • 一本(いっぽん)道(みち): single path, one-track
  • 一本(いっぽん)立(だ)ち: standing on one's own, independence