Welcome to the Signing Science Picture Dictionary (SSP)!

This illustrated interactive 3D sign language dictionary is designed for students who are deaf or hard of hearing and use American Sign Language (ASL) in the classroom and at home. It is also intended to serve as a resource for teachers and parents.

• Click PDF for a list of all the terms in the SSP.

Introductory Movie ( movie with speech , movie with NO speech )

TERC Text, pictures, and interface design © TERC, Inc. All rights reserved.
VCom3D SigningAvatar® animation technology © Vcom3D.
All rights reserved.
U.S. Department of Education The SSP was developed by TERC and Vcom3D and funded in part by the Department of Education, Grant H327A080040. A prototype version was funded in part by a grant from the Carl and Ruth Shapiro Family Foundation Disability Initiative.