TB-1

noun

variants or TB 1-698

: thiacetazone

Word History

Etymology

German, from TB + 1—698, its laboratory code number; from its use in the treatment of tuberculosis

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