deltoidal

[del-toid-l]

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adjective

of or relating to a river delta.
deltoid(def 3).

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Origin of deltoidal

First recorded in 1830–40; deltoid + -al¹

Related formssub·del·toi·dal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

trilateral, cuneate, deltoid, deltoidal, hastate, pyramidal, pyriform, trigonal