1. One million periods per second
   - megahertz, MHz, megacycle, Mc

Type of: rate

• synsemantic
• synset
• syntactic
• syntactic category
• syntactical
• syntactically
• syntactician
• syntagm
• syntagma
• syntagmatic
• syntax
• syntax checker
• syntax error
• syntax language
• synth
• synthesis
• synthesise
• synthesiser
• synthesist
• synthesize
• synthesizer
• synthetase
• synthetic
• synthetic cubism
• synthetic fiber