1. Superimposable on its mirror image

Encyclopedia: Amphichiral

• selvage
• selvedge
• Selznick
• SEM
• semantic
• semantic error
• semantic memory
• semantic relation
• semantic role
• semantically
• semanticist
• semantics
• semaphore
• semaphore plant
• Semarang
• semasiology
• sematic
• semblable
• semblance
• sememe
• semen
• semester
• semester hour
• semestral
• semestrial