nonagon

英 ['nɒnəg(ə)n] 美['nɑnəɡɑn]
  • n. [数] 九边形

英英释义


1. a nine-sided polygon

英文词源


nonagon (n.)
"plane figure with nine sides," 1680s, a hybrid from Latin nonus "ninth" (see nones) + ending from pentagon, etc.