meiobar

noun

meio·​bar

ˈmīə+ˌ-

1

: a region of low barometric pressure

2

: an isobar of low pressure

Word History

Etymology

International Scientific Vocabulary mi- + bar

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