Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR REFERENCE FRAME

At the proper instant I shifted again, to the reference frame of this Galaxy itself.

RELATED WORDS AND SYNONYMS FOR REFERENCE FRAME

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.