under-drainn.

Brit.

/ˈʌndədreɪn/, U.S.

/ˈəndərˌdreɪn/

Etymology: under- prefix¹ 2b(c).

An underground drain.

ΘΚΠ

the world > food and drink > farming > cultivation or tillage > preparation of land or soil > ditching or drainage > ditch [verb (transitive)] > underdraining

under-drain1805

underdrain1805

under-drainage1810

1805 R. W. Dickson Pract. Agric. I. 151 Where under~drains are formed for taking off the water below the footways.

1869 Ann. Rep. Commissioner Agric. 1868 354 in U.S. Congress. Serial Set (40th Congr., 3rd Sess.: House of Representatives Executive Doc.) XV The longitudinal underdrains are to be made of broken stones, and are to be filled up to the level of the surface.

This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).

单词	under-drain
释义	under-drainn. Brit. /ˈʌndədreɪn/, U.S. /ˈəndərˌdreɪn/ Etymology: under- prefix¹ 2b(c). An underground drain. ΘΚΠ the world > food and drink > farming > cultivation or tillage > preparation of land or soil > ditching or drainage > ditch [verb (transitive)] > underdraining under-drain1805 underdrain1805 under-drainage1810 1805 R. W. Dickson Pract. Agric. I. 151 Where under~drains are formed for taking off the water below the footways. 1869 Ann. Rep. Commissioner Agric. 1868 354 in U.S. Congress. Serial Set (40th Congr., 3rd Sess.: House of Representatives Executive Doc.) XV The longitudinal underdrains are to be made of broken stones, and are to be filled up to the level of the surface. This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022). < n.1805
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