1. Flowing in an opposite direction. 2. A current flowing in a direction opposite to another current.
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coun·ter·cur·rent 'kau̇nt-ər-.kər-ənt, -.kə-rənt n a current flowing in a direction opposite that of another current
countercurrent .kau̇nt-ər-' adj
1) flowing in an opposite direction
2) involving flow of materials in opposite directions <\countercurrent dialysis> <the \countercurrent system of the kidney>
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coun·ter·cur·rent (kounґtər-kur″ənt) 1. retrograde. 2. see countercurrent multiplication, under multiplication.Medical dictionary. 2011.