trigram /trīˈgram/

1. An inscription of three letters
2. A figure of three lines

trigrammatˈic or trigrammˈic adjective

• electrotherapeutic
• electrotherapeutical
• electrotherapeutics
• electrotherapist
• electrotherapists
• electrotherapy
• electrothermal
• electrothermic
• electrothermics
• electrothermies
• electrothermy
• electrotint
• electrotints
• electrotonic
• electrotonus
• electrotonuses
• electrotype
• electrotyped
• electrotyper
• electrotypers
• electrotypes
• electrotypic
• electrotyping
• electrotypist
• electrotypists