backfit

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back·fit

B0011825 (băk′fĭt′)tr.v. back·fit·ted or back·fit, back·fit·ting, back·fits To retrofit.

backfit

(ˈbækˌfɪt) vb (tr) to retrofit, overhaul, esp an industrial plant

back•fit

(ˈbækˌfɪt)

v.t. -fit -fit•ted, -fit•ting. to retrofit.