rectifier instrument

noun

: an instrument used for measuring alternating currents and consisting of a rectifier in conjunction with a direct-current meter whose reading gives the value of the rectified alternating current

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now