but·ter·fly·fish 
(bŭtər-flī′fĭsh′)
(bŭtər-flī′fĭsh′)n.
1. Any of various small tropical marine fishes of the family Chaetodontidae, having a laterally compressed body with bright colors and patterns.
2. Any of various fishes with broad winglike fins.
- immunogenetics
- immunogenic
- immunogenicity
- immunoglobulin
- immunoglobulin A
- immunoglobulin D
- immunoglobulin E
- immunoglobulin G
- immunoglobulin M
- immunologic
- immunological
- immunologically
- immunologist
- immunology
- immunoreaction
- immunoreactive
- immunoreactivity
- immunostimulant
- immunosuppressant
- immunosuppressed
- immunosuppression
- immunosuppressive
- immunotherapeutic
- immunotherapist
- immunotherapy