unlaggedadj.

Brit.

/(ˌ)ʌnˈlaɡd/, U.S.

/ˌənˈlæɡd/

Origin: Formed within English, by derivation. Etymons: un- prefix¹, lagged , lag v.⁴

Etymology: < un- prefix¹ + lagged, past participle of lag v.⁴

Of a water pipe, boiler, etc.: not covered with lagging; uninsulated.

ΚΠ

1900 Philos. Trans. (Royal Soc.) A. 194 18 The steam was withdrawn upwards from this boiler through a channel consisting of..unlagged steam piping.

1926 Manch. Guardian 9 Feb. The most important of these indirect losses is undoubtedly that due to radiation from unlagged or inefficiently lagged surfaces and piping.

1993 Collins Compl. DIY Man. (new ed.) vi. 267/1 Many people think that an unlagged cylinder has the advantage of providing a useful source of heat in an airing cupboard—but in fact it squanders a surprising amount of energy.

2013 Irish Independent (Nexis) 26 Nov. (Farming section) 9 Heat loss through unlagged pipes costs you money.

This entry has been updated (OED Third Edition, June 2017; most recently modified version published online March 2022).

单词	unlagged
释义	unlaggedadj. Brit. /(ˌ)ʌnˈlaɡd/, U.S. /ˌənˈlæɡd/ Origin: Formed within English, by derivation. Etymons: un- prefix¹, lagged , lag v.⁴ Etymology: < un- prefix¹ + lagged, past participle of lag v.⁴ Of a water pipe, boiler, etc.: not covered with lagging; uninsulated. ΚΠ 1900 Philos. Trans. (Royal Soc.) A. 194 18 The steam was withdrawn upwards from this boiler through a channel consisting of..unlagged steam piping. 1926 Manch. Guardian 9 Feb. The most important of these indirect losses is undoubtedly that due to radiation from unlagged or inefficiently lagged surfaces and piping. 1993 Collins Compl. DIY Man. (new ed.) vi. 267/1 Many people think that an unlagged cylinder has the advantage of providing a useful source of heat in an airing cupboard—but in fact it squanders a surprising amount of energy. 2013 Irish Independent (Nexis) 26 Nov. (Farming section) 9 Heat loss through unlagged pipes costs you money. This entry has been updated (OED Third Edition, June 2017; most recently modified version published online March 2022). < adj.1900
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