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- ANTIBODYA protein produced by B-lymphocytes that binds to a specific antigen.
- BELAYTo make (a rope) fast by turning it around a fastening point such as a cleat.
- COOTAny of various aquatic birds of the genus Fulica that are mainly black with a prominent frontal shield on the forehead.
- ETHYLThe univalent hydrocarbon radical, C2H5, formally derived from ethane by the loss of a hydrogen atom.
- GEISTA ghost, an apparition.