American Heritage Dictionary
(2)
Century Dictionary
(8)
GNU Webster's 1913
(1)
WordNet
(1)
Elsewhere on the web
Functional equation: A relation between the values of a function at different points, such as periodicity or symmetry.— Citizendium, the Citizens' Compendium - Recent changes [en]
This periodicity is natural to the human mind, and it also has relations to profound social movements.— Days Off And Other Digressions
Still we need not rail at fashion; it is a form of periodicity, and periodicity exists through all Nature.— Little Journeys to the Homes of the Great - Volume 14 Little Journeys to the Homes of Great Musicians
Remember also that it is this periodicity--this inevitable tendency of all atoms in combination to repeat any combination which they have once repeated, unless forcibly prevented from doing so--which alone renders nine-tenths of our mechanical inventions of practical use to us.— Selections from Previous Works and Remarks on Romanes' Mental Evolution in Animals
These attacks may show a remarkable periodicity, and each may be followed by an increase in the size of the swelling, which may extend along the inguinal canal into the abdomen, or down the spermatic cord into the scrotum.— Manual of Surgery Volume First: General Surgery. Sixth Edition.

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word several times a year.
Recently looked updevoted · angsty · hiss · Addicting · individualisation |
Recent Favoritespygopagus · sanglant · Astacus · sweetbread · qualms |
Recent Pronunciationsbe careful! the razor is razor-sharp! · minty-fresh death threat · please stop sucking the monkeybread · beauregard · unicycle hockey |