| a gadget; dingus; thingumbob. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
degeneration de·gen·er·a·tion (dĭ-jěn'ə-rā'shən)
n.
The gradual deterioration of specific tissues, cells, or organs with impairment or loss of function, caused by injury, disease, or aging.
The evolutionary decline or loss of a function, characteristic, or structure in an organism or a species.