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.

atomic number 85

How to sign: a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium

Sorry, no video found for this word.

Similiar / Same: astatine, At

Categories: chemical element, element, halogen

Do you know the sign for this?

Upload your sign now.