Dictionary.com

pentagonoid

[ pen-tag-uh-noid ]
/ pɛnˈtæg əˌnɔɪd /
Save This Word!
adjective
like a pentagon in shape.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
who
whom
TAKE THE QUIZ TO FIND OUT

Origin of pentagonoid

First recorded in 1880–85; pentagon + -oid

Words nearby pentagonoid

pentaerythritol, pentaerythritol tetranitrate, pentagon, pentagonal dodecahedron, Pentagonese, pentagonoid, Pentagon Papers, pentagram, pentahedron, pentahydrate, pentahydric
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use pentagonoid in a sentence

  • Frontal and parietal nodules slightly prominent; occipital nodule quite prominent (pentagonoid cranium).

    Pedagogical Anthropology|Maria Montessori
FEEDBACK