e-signature 
(ēsĭg′nə-chər)
(ēsĭg′nə-chər)n.
A digital file attached to or associated with a contract or other record and used as the legal equivalent of a written signature.
- chemopreventive
- chemoprophylactic
- chemoprophylaxis
- chemoreception
- chemoreceptive
- chemoreceptivity
- chemoreceptor
- chemosensory
- chemosorb
- chemosorb
- chemosphere
- chemosurgery
- chemosurgical
- chemosynthesis
- chemosynthetic
- chemosynthetically
- chemotactic
- chemotactically
- chemotaxis
- chemotaxonomic
- chemotaxonomically
- chemotaxonomist
- chemotaxonomy
- chemotherapeutic
- chemotherapeutically