Island(redirected from i's of Langerhans)
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Related to i's of Langerhans: Paul Langerhans
A major electronic communications network that attempts to match investor orders to buy and sell NYSE, ASE, and Nasdaq National Market System and SmallCap securities. Orders that cannot be immediately matched are displayed as limit orders until matched, cancelled, or expiration. Only limit orders placed by subscribing broker-dealers are accepted by Island.