Definition of rectangularity in English:

rectangularity

Pronunciation /rekˌtaNGɡyəˈlaritē/

noun

See rectangular

‘But its clean rectangularity, matte walls and mahogany paneling is perfectly inhabitable and the colourful tapestry opposite the long registration/concierge desk provides a contrast to the prevailing browns and beiges.’
  • ‘Repeated use and multiple washings have distorted the cloths' flat rectangularity and ruffled their regular edges, adding poetry and softness to this simple geometric structure.’