cuvette
noun
cu·vette kyü-ˈvet 
: a small often transparent laboratory vessel (such as a tube)
Word History
Etymology
French, diminutive of cuve tub, from Latin cupa — more at hive
First Known Use
circa 1909, in the meaning defined above
Medical Definition
cuvette
noun
cu·vette kyü-ˈvet
: a small often transparent laboratory vessel (as a tube)