BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
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: At, atomic number 85
Categories: chemical element, element, halogen
Do you know the sign for this?
Upload your sign now.