lagging

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lag·ging

 (lăg′ĭng)
n.
1.
a. A covering used to provide thermal insulation, as from a steam pipe.
b. A similar covering used to provide acoustical insulation, as on an air duct.
2.
a. A plank or set of planks forming the outer surface of a centering for the construction of an arch.
b. Any of various structural members or materials used as a protective sheathing, as on the ceiling of a mine tunnel or around a boiler.

[From lag.]

lagging

(ˈlæɡɪŋ)
n
1. insulating material wrapped around pipes, boilers, etc, or laid in a roof loft, to prevent loss of heat
2. the act or process of applying lagging
3. (Building) a wooden frame used to support an arch during construction

lag•ging

(ˈlæg ɪŋ)

n.
1. the act of covering a boiler, oil tank, etc., with heat-insulating material.
2. the covering formed.
3. the material used.
[1850–55; lag3 + -ing1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lagging - used to wrap around pipes or boilers or laid in attics to prevent loss of heat
insulant, insulating material, insulation - a material that reduces or prevents the transmission of heat or sound or electricity

lagging

adjective
Not progressing and developing as fast as others, as in economic and social aspects:
Translations

lagging

[ˈlægɪŋ] N (Tech) → revestimiento m calorífugo

lagging

[ˈlægɪŋ] nenveloppe isolante, calorifuge m

lagging

nIsolierschicht f; (= material)Isoliermaterial nt

lagging

[ˈlægɪŋ] n (Tech) → rivestimento termo-isolante
References in classic literature ?
Jim hastened his lagging steps at this assurance of a quick relief from the dark passage, and in a few moments more they had emerged from the mountain and found themselves face to face with a new and charming country.
'If they don't get any fresh evidence, it'll only be a summary conviction, and we shall have him back again after six weeks or so; but, if they do, it's a case of lagging. They know what a clever lad he is; he'll be a lifer.
When the enemy seemed falling back before him and his fellows, he went instantly forward, like a dog who, seeing his foes lagging, turns and insists upon being pursued.
My valet was all impatience to follow them; and was as fidgety about my dilatory movements as a diner out waiting hat in hand at the bottom of the stairs for some lagging companion.
They came slowly lagging into camp, with weary looks, and horses jaded and wayworn.