spiro

1 of 3

adjective

spi·​ro

ˈspī(ˌ)rō

: of or relating to a compound or system that contains two rings having a single atom in common compare spir- sense 2

spiro-

2 of 3

combining form

: respiration

spirometer

spiro-

3 of 3

see spir-

Word History

Etymology

Adjective

spir-

Combining form

International Scientific Vocabulary spir- (from Latin spirare to breathe) + -o-

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