n. 迟钝, 落后, 防护套

a. 迟钝的, 落后的

[化] 隔热层

[医] 迟滞, 后曳

[经] (交货)缓慢, 迟延

[ noun ]
used to wrap around pipes or boilers or laid in attics to prevent loss of heat
<noun.substance>

Lag \Lag\, v. i. [imp. & p. p. {Lagged}; p. pr. & vb. n.
{Lagging}.]
To walk or more slowly; to stay or fall behind; to linger or
loiter. ``I shall not lag behind.'' --Milton.

Syn: To loiter; linger; saunter; delay; be tardy.


Lagging \Lag"ging\, n.
1. (Mach.) The clothing (esp., an outer, wooden covering), as
of a steam cylinder, applied to prevent the radiation of
heat; a covering of lags; -- called also {deading} and
{cleading}.

2. Lags, collectively; narrow planks extending from one rib
to another in the centering of arches.