periodicalness
التعريفات والمعاني
== English ==
=== Etymology ===
From periodical + -ness.
=== Noun ===
periodicalness (uncountable)
periodicity
=== References ===
“periodicalness”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.