IPA: /hɛkˈsædɪk/
KK: /hɛkˈsædɪk/
Relating to a group of six or having six sides, often used in geometry to describe shapes like hexagons.
The hexadic structure of the molecule allows for unique chemical properties.
Hexadic is formed from "hex-" (from Greek "hex", meaning six) and "-adic" (a suffix used in mathematics to denote a relation to a certain number). The word refers to something that is related to or consists of six parts or elements.
Think of 'hex-' meaning six, and '-adic' relating to a certain number — this helps you remember that 'hexadic' refers to something involving six.