zepto-

combining form

zep·​to-

: one sextillionth (10⁻²¹) part of

zeptosecond

Word History

Etymology

International Scientific Vocabulary, probably alteration of hepta-; from the fact that 10²¹ is the seventh power of 10³

Rhymes for zepto-

• acknow
• aglow
• ago
• airglow
• aloe
• altho
• although
• ammo
• backflow
• backhoe
• banjo
• barbeau