variant

Adjective

• exhibiting variation and change
  • letters variant in size
    

• differing from a norm or standard
  • a variant spelling
    

Noun

• something a little different from others of the same type
  • an experimental version of the night fighter
    
  • a variant of the same word
    
  • an emery wheel is the modern variation of a grindstone
    
  • the boy is a younger edition of his father
    

• a variable quantity that is random

• (biology) a group of organisms within a species that differ in trivial ways from similar groups
  • a new strain of microorganisms
    

• an event that departs from expectations

Related words

• Synonyms: 
  version , variation , edition , random variable , variate , stochastic variable , chance variable , form , strain , var. , discrepancy , variance