Translation guide
An open system is one that allows interaction, extension, or connection with other systems, or is transparent and accessible. This guide covers how to express this concept in Japanese across technical, organizational, and general contexts.
A system (hardware, software, network) designed to work with other systems, using open standards, allowing third-party extensions or modifications.
Direct loanword from English, widely understood in IT and engineering contexts. Use this as the default for technical discussions.
This software adopts an open system.
Using the adjective 'open' with 'system'. Slightly more descriptive, but still natural in technical settings.
An open system is easier to extend.
A more formal or academic term, literally 'open-type system'. Used in engineering or scientific contexts, but less common than the loanword.
An open system presupposes interaction with the outside.
A system, process, or organization that is transparent, allows input from members or the public, and is not closed or secretive.
Literally 'opened system', this is the most natural way to express an open, transparent system in organizational contexts.
This company is run on an open system.
Emphasizes transparency. Suitable when the key aspect is visibility and accountability.
Uses 'seido' (system/institution) instead of 'system'. Often used for social or administrative systems.
Any system (physical, conceptual) that is not closed, allowing flow of matter, energy, or information.
Simple and direct. 'Hiraita' is the past tense of 'hiraku' (to open), used as an adjective. Suitable for general descriptions.
Many open systems exist in nature.
Literally 'not closed system'. Used for emphasis or contrast, but slightly wordy.
In physics, a system that can exchange both energy and matter with its surroundings.
Both mean 'open', but '開かれた' (hirakareta) implies an intentional opening or accessibility, often used for abstract systems. '開いた' (hiraita) is more neutral and describes a state of being open. For organizational transparency, use '開かれた'.
open discussion
open window
While オープン is common in IT, using it for organizational transparency may sound like a buzzword. Prefer 開かれた or 透明性のある for natural Japanese.
It is important to build a system with transparency.
By making it an open system, we can incorporate more opinions.
This model assumes an open system.