blood crystal

noun

: one of the crystals obtained by heating a hemoglobin solution with acetic acid containing a little common salt, the form of the crystal differing according to the animal from which the hemoglobin was obtained

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