Translation guide
The English word 'flux' covers several distinct ideas: continuous change, a state of flow, and technical meanings in physics and medicine. This guide helps learners choose the right Japanese expression for each meaning.
Describing a situation, state, or condition that is constantly changing and not settled.
The most common and natural way to say something is 'in flux' or 'fluid'. Used for situations, plans, or conditions that are unsettled and likely to change.
Future plans are still in flux.
The political situation is in flux, and no one knows what will happen.
Means 'unstable' or 'precarious'. Emphasizes lack of stability rather than fluidity. Often used for economic or emotional states.
The economy is in a state of flux.
Literally 'fluctuating'. Used when something is actively changing, like prices or numbers.
Exchange rates are constantly in flux.
Describing physical or metaphorical flow, continuous movement, or a state of being in motion.
The general word for 'flow' or 'stream'. Can be used for liquids, time, conversation, or abstract processes.
The flow of conversation was interrupted.
The loanword from English. Used mainly in technical contexts like physics or soldering, not for general 'change'.
Scientific term for the rate of transfer of energy, particles, or fluid across a surface.
An old term for dysentery or abnormal discharge from the bowels.
Specifically means dysentery (bloody flux). Rarely used in modern conversation; replaced by more specific medical terms.
In the past, the flux (dysentery) was prevalent.
Do not use フラックス for general 'change' or 'instability'. It sounds unnatural and is limited to technical fields. Use 流動的 or 不安定 instead.
The situation is in flux.
Many changes occurred in the flux of history.
Magnetic flux is called 'magnetic flux' in English.
Magnetic flux density is measured in teslas.