costotome

[kos-tuh-tohm]

cos·to·tome

[kos-tuh-tohm]
noun Surgery.
an instrument, as shears or a knife, for incising or dividing a rib, as in costotomy.

Origin:
costo- + -tome
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Costotome is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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