periodic What is the Definition of periodic?Adjective:happening or recurring at regular intervalsrecurring or reappearing from time to time Other meanings of periodic (synonyms, cognates). ENRU periodic периодический periodical периодический periodically периодически periodicals периодика periodicity периодичность Frequently viewed: definition of affectdefinition of parkingdefinition of slipperydefinition of mightdefinition of distinguishdefinition of formspecial definitionsequential meaningdefinition of dealtmaster definitiondefinition of millionbig meaning A B C D E F G H I J K L M N O P Q R S T U V W X Y Z