ram effect

noun

plural -s

: the compressing effect obtained by locating the entrance to an air-intake duct in an airplane in the air stream in such a manner as to take advantage of the relative velocity between the air intake and the air stream by increasing the static pressure in the system to aid in compressing the charge air or to maintain the flow of air through a cooling system

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