subirrigation

noun sub·ir·ri·ga·tion \ ˌsəb-ˌir-ə-ˈgā-shən \

Definition of subirrigation

: irrigation below the surface (as by a periodic rise of the water table or by a system of underground porous pipes)

subirrigate

play \ˌsəb-ˈir-ə-ˌgāt\ transitive verb

First Known Use of subirrigation

1835

in the meaning defined above

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