stannous chloride

noun

: a compound SnCl₂ obtained by the action of chlorine, hydrogen chloride or hydrochloric acid on tin either as an anhydrous solid or a crystalline dihydrate and used chiefly in tinning and as a reducing agent and catalyst

called also tin dichloride

see tin crystals

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