The noun PUNCTUATED EQUILIBRIUM has 1 sense: 1. a theory of evolution holding that evolutionary change in the fossil record came in fits and starts rather than in a steady process of slow change Familiarity information: PUNCTUATED EQUILIBRIUM used as a noun is very rare.
APA citation style: Historic American Buildings Survey, C. (1933) Stone House, Fort Ann, Washington County, NY. Documentation Compiled After. [Pdf] Retrieved from the Library of Congress, https://www.loc.gov/item/ny1153/.
Photo, Print, Drawing Old Stone House (Library), 36 George Street, Fort Ann, Washington County, NY Photo(s): 1 Contributor: Historic American Buildings Survey. Photo, Print, Drawing John Hay Birthplace, College Avenue, Salem, Washington County, IN Measured Drawing(s): 5 Contributor: Historic American Buildings Survey.