high precision; high accuracy
Used in technical, scientific, and engineering contexts to describe instruments, measurements, or processes with very low error. Often appears as a noun modifier (e.g., 高精度な, 高精度の).
This device enables high-precision measurements.
High-accuracy GPS is essential for autonomous driving.
Compound of 高 (high) and 精度 (precision/accuracy). 精度 itself is a Sino-Japanese word from 精 (refined, precise) and 度 (degree).