downletn.

Brit.

/ˈdaʊnlɛt/,

/ˈdaʊnlᵻt/, U.S.

/ˈdaʊnˌlɛt/,

/ˈdaʊnlət/

Origin: Formed within English, by derivation. Etymons: down- prefix, let v.¹

Etymology: < down- prefix + let v.¹, after outlet n.

A place or opening at which something escapes or is released downwards; esp. a downward opening or channel for the passage of water or other fluids. Frequently attributive, as downlet pipe, etc. Cf. outlet n. 1a.Chiefly in technical contexts.

ΚΠ

a1681 R. Allestree 40 Serm. (1684) II. 137 A downlet to that bottomless pit.

1872 W. Eassie Healthy Houses vi. 58 The air valve behind this, and depending over the downlet into the sewer, is said to allow fresh air to pass into the drain.

1907 2nd Rep. Comm. Ventilation Factories & Workshops: Pt. II 39 in Parl. Papers (Cd. 3553) X. 463 The exhausted space or main duct..is directly connected..to various downlets.

1980 U.S. Patent 4,180,875 3 The drain hose..communicates with a sewer downlet pipe.

2008 B. Time et al. in C. Rode Proc. 8th Symp. Building Physics in Nordic Countries III. 1231 The roof water downlets should be outside the building envelope.

This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022).

单词	downlet
释义	downletn. Brit. /ˈdaʊnlɛt/, /ˈdaʊnlᵻt/, U.S. /ˈdaʊnˌlɛt/, /ˈdaʊnlət/ Origin: Formed within English, by derivation. Etymons: down- prefix, let v.¹ Etymology: < down- prefix + let v.¹, after outlet n. A place or opening at which something escapes or is released downwards; esp. a downward opening or channel for the passage of water or other fluids. Frequently attributive, as downlet pipe, etc. Cf. outlet n. 1a.Chiefly in technical contexts. ΚΠ a1681 R. Allestree 40 Serm. (1684) II. 137 A downlet to that bottomless pit. 1872 W. Eassie Healthy Houses vi. 58 The air valve behind this, and depending over the downlet into the sewer, is said to allow fresh air to pass into the drain. 1907 2nd Rep. Comm. Ventilation Factories & Workshops: Pt. II 39 in Parl. Papers (Cd. 3553) X. 463 The exhausted space or main duct..is directly connected..to various downlets. 1980 U.S. Patent 4,180,875 3 The drain hose..communicates with a sewer downlet pipe. 2008 B. Time et al. in C. Rode Proc. 8th Symp. Building Physics in Nordic Countries III. 1231 The roof water downlets should be outside the building envelope. This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022). < n.a1681
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