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undercool
undercover
undercroft
undercurrent
undercut
underdeveloped
underdog
underdone
underdrain
underdress
underemployed
underestimate
underexploited
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World English Dictionary
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underdrain
un·der·drain
[
ùndər dráyn
]
transitive verb
(
past and past participle
un·der·drained
,
present participle
un·der·drain·ing
,
3rd person present singular
un·der·drains
)
Definition:
provide with underground drains:
to equip an area, especially cultivated land, with a system of underground drains
noun
(
plural
un·der·drains
)
Definition:
underground drain:
an underground drain or system of drains on agricultural land
un·der·drainage
[
úndər dràynij
]
noun
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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un·der·drainage [ úndər dràynij ] noun
