BSL Sign Language Dictionary

Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.

Android app on Google Play
NEW View all these signs in the Sign BSL Android App. Download for free.

double helix

How to sign: a pair of parallel helices intertwined about a common axis
"the structure of the DNA molecule is a double helix";

double helix in BSL Watch how to sign double helix in British Sign Language
double helix - University of Wolverhampton
Embed this video

Categories: helix, spiral

Sign not right? Or know a different sign?

Upload your sign now.

Upload