1. (noun) French mathematician who described the vernier scale (1580-1637)

• paul vernier

2. (noun) a small movable scale that slides along a main scale; the small scale is calibrated to indicate fractional divisions of the main scale

• vernier scale

1. (noun) a small movable scale that slides along a main scale; the small scale is calibrated to indicate fractional divisions of the main scale

• scale