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1. Oxford American Dictionary

   apheresis

   • IPA[əˈferəsəs]

   美式

   • n.
     the loss of a sound or sounds at the beginning of a word, e.g., in the derivation of adder from nadder.；the removal of blood plasma from the body by the withdrawal of blood, its separation into plasma and cells, and the reintroduction of the cells, used especially to remove antibodies in treating autoimmune diseases.

   • noun: apheresis, plural noun: aphereses

2. • 更多解釋

   apheresis

   • IPA[əˈfɪərɪsɪs]

   英式

   • n.
     omission of the initial sound of a word, as when he is is pronounced he's.

   Oxford Dictionary