[ mas-toid ]
/ ˈmæs tɔɪd /
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of or relating to the mastoid process.
resembling a breast or nipple.
the mastoid process.
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OTHER WORDS FROM mastoidin·ter·mas·toid, adjectivepost·mas·toid, adjective
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How to use mastoid in a sentence
The slenderness is especially noticeable in the breadth across the zygomata, mastoids, and rostrum.A New Pocket Gopher (Genus Thomomys) From Wyoming and Colorado|E. Raymond Hall
The skull of the female oregonensis is more heavily ridged and is relatively broader across the mastoids than that of effera.American Weasels|E. Raymond Hall
Skull wide across zygomatic arches and narrow across mastoids; rostrum narrow and posterior border of palate straight.
British Dictionary definitions for mastoid
/ (ˈmæstɔɪd) /
shaped like a nipple or breast
designating or relating to a nipple-like process of the temporal bone behind the ear
the mastoid process
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012