精密

• Reading: せいみつ
• Romaji: seimitsu
• Kanji breakdown: 精 (sei) — refined, detailed; 密 (mitsu) — dense, fine, close
• Pronunciation: /seː.mi.tsɯ/

Meaning

Precise; exact; detailed; accurate. Describing something made or done with meticulous care and accuracy.

A na-adjective and noun expressing the highest level of precision and detail. Used in manufacturing, science, medicine, and craftsmanship: 精密機器 (precision instruments), 精密検査 (thorough examination), 精密な作業 (detailed work). Stronger than 正確 (accurate) — implies not just correctness but extreme fineness and detail.

Examples

1. 精密機器は振動に弱いので丁寧に扱ってください。 Precision instruments are sensitive to vibration, so please handle them with care.
2. 健康診断で異常が見つかり精密検査を受けた。 An abnormality was found during my checkup, so I underwent a thorough examination.
3. 職人が精密な技術で時計を組み立てている。 A craftsman is assembling a watch with precise technique.

Usage Guide

Context: manufacturing, medicine, technology

Tone: technical

Origin & History

From Chinese, combining 精 (refined, detailed — originally meaning 'polished rice') and 密 (dense, fine, close). Together they convey the image of something refined to the finest possible grain — nothing coarse or approximate remains.

Cultural Context

Era: Classical

Generation: All ages

Social background: Universal