pentagonal B2 Topic:Describing Qualities US /pɛnˈtæɡənəl/ UK /penˈtæɡənəl/ See IPA manual Freq #164159 Meanings 1 adj having five sides and five angles, or relating to a pentagon The pavilion has a pentagonal floor plan with five equal walls. Thesaurus Synonyms 1 adj · having five sides and five... five-sidedpentangular Word family Related forms pentagonpolygonal Etymology From pentagon + -al. Pentagon comes through Latin from Ancient Greek pentagonon, formed from pente ("five") + gonia ("angle"). Topics Describing Qualities External links Google Images Cambridge Dictionary Wiktionary # pentagonal **Type:** Word **Level:** B2 **Part of speech:** adj **IPA (US):** /pɛnˈtæɡənəl/ **IPA (UK):** /penˈtæɡənəl/ **Frequency rank:** 164159 ## Meanings 1. having five sides and five angles, or relating to a pentagon ## Examples - The pavilion has a pentagonal floor plan with five equal walls. ## Synonyms - five-sided - pentangular ## Related Forms - pentagon - polygonal ## Etymology From pentagon + -al. Pentagon comes through Latin from Ancient Greek pentagonon, formed from pente ("five") + gonia ("angle"). ## Topics - Describing Qualities markdown