noun which may take the genitive case particle 'no'
Describes materials, data, or products that have not yet been processed, refined, or completed. Often used in technical or industrial contexts.
未加工の木材を輸入する。
We import unprocessed lumber.
このデータは未加工なので、分析には使えない。
This data is raw, so it can't be used for analysis.
加工済み is the antonym, meaning 'processed' or 'finished'.
Compound of 未 (mi, 'not yet') + 加工 (kakō, 'processing').