ASL Sign Language Dictionary
Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
Sorry, no video found for this word.
Similiar / Same: Heaviside layer, E layer, E region
Categories: part, region
Do you know the sign for this?
Upload your sign now.