Definition of parallelogramic in US English:

parallelogramic

(also parallelogrammic)

adjective

  • Having the shape or form of a parallelogram; relating to or resembling a parallelogram.

Origin

Mid 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. From parallelogram + -ic.

Pronunciation

parallelogramic

/ˌparəlɛləˈɡramɪk/