Translation guide
Describes a distribution, pattern, or system that has two distinct modes, peaks, or common states. In Japanese, this is typically expressed using technical terms in statistics, or descriptive phrases in everyday contexts.
Describing a frequency distribution with two peaks or modes.
The standard technical term for 'bimodal' in statistics. Used as a noun or na-adjective.
このデータは双峰性を示している。
This data shows a bimodal distribution.
Literally 'two-peaked distribution'. Common in academic writing.
Describing any system, phenomenon, or set that has two common modes or states.
Uses the loanword モード (mode). Natural in tech, engineering, or casual contexts.
このシステムは二つのモードがある。
This system is bimodal (has two modes).
In formal statistics, 双峰性 (そうほうせい) is the direct equivalent. In everyday language, describing 'two peaks' or 'two modes' with phrases like 二つのピークがある is more natural than using a single adjective.
年齢分布は二峰性の分布を示した。
The age distribution showed a bimodal pattern.
A more conversational way to say 'has two peaks'. Suitable for presentations or less formal reports.
このグラフには二つのピークがある。
This graph has two peaks.
Means 'takes two states'. Useful for describing bimodal behavior in physics or engineering.
この材料は温度によって二つの状態をとる。
This material is bimodal depending on temperature.
Means 'polarized into two extremes'. Often used in social or economic contexts, but can imply bimodality.
二極化 emphasizes polarization rather than just two peaks; use only when the two modes are far apart or opposed.
所得分布が二極化している。
The income distribution is bimodal (polarized).