decussate was our Word of the Day on 05/09/2013. Hear the podcast!
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Did You Know?
The history of decussate leads us back to the intersection of decem, a word meaning "ten," and ass-, a form that refers to a unit of weight and specifically to a copper coin cut to a half-ounce. In the Roman numeral system the number 10 is represented by X, an intersection of two lines. A man named Sir Thomas Browne coined decussate in the 17th century to discuss the crossing fibers that make up human anatomy-for instance, skin tissue. The word continues to be found primarily in scientific contexts today.
Definition of decussate
: arranged in pairs each at right angles to the next pair above or below decussate leaves
First Known Use of decussate
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