conchoidal

Meanings

Adj

Of or pertaining to a conchoid; that may be defined as a conchoid.
Irregular, with planar, concentric curves, similar to those on a mussel shell.
That fractures with planar concentric curves (e.g., as flint, chert or obsidian).

Origin / Etymology

From conchoid + -al.

Scrabble Score: 18

conchoidal is a valid Scrabble (US) TWL word
conchoidal is a valid Scrabble Word in Merriam-Webster MW Dictionary
conchoidal is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 21

conchoidal is a valid Words With Friends word