magnetic head

noun

: an electromagnet used in magnetic recording for converting electrical signals into a magnetic record on tape or wire, converting a magnetic recording into electrical signals, or erasing a magnetic recording

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