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sternocleidomastoid
noun

Divide sternocleidomastoid into syllables:

ster · n · oclei · do · mas · toid

How to pronounce sternocleidomastoid:

Definition of sternocleidomastoid:

sternocleidomastoid (noun):
noun. one of two thick muscles running from the sternum and clavicle to the mastoid and occipital bone; turns head obliquely to the opposite side; when acting together they flex the neck and extend the head.
a thick superficial muscle on each side of the neck that arises by one head from the first segment of the sternum and by a second from the inner part of the clavicle, that inserts into the mastoid process and occipital bone, and that acts especially to bend, rotate, flex, and extend the head

Synonyms for sternocleidomastoid:

neckcervix

Other 6-syllable words like sternocleidomastoid

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