lagging — English Dictionary

Adjective

1. falling behind, not keeping up the pace

2. Occurring after; indicating the later phase of

   Examples

   A leading wave is one which reaches its maximum value before another, which is thus a lagging wave

Noun

1. The covering of something with strips of felt, wood etc, either as insulation or for protection.

   Usage

   • Uncountable
   • usually

2. The material so used.

   Usage

   • Uncountable
   • usually

3. A prison sentence, originally one of at least three years.

   Usage

   • Countable
   • Slang
   • usually

   Examples

   "Whether you'll get a nine or a lagging depends on the answer you give me, Mrs. Inglethorne."

Noun

1. insulation used to wrap around pipes or boilers or laid in attics to prevent loss of heat

   Broader terms

   insulantinsulation