insulation
/ˌɪnsjuˈleɪʃn/ (bre, ipa) · /ˌɪnsəˈleɪʃn/ (ame, ipa) · /ˌin(t)-sə-ˈlā-shən/ (ame, mw)
insulation — noun
1. the work of covering or filling a space so that warmth, cold, noise, or electric
the work of covering or filling a space so that warmth, cold, noise, or electrical currents are blocked from moving between the inside and the outside.
The workers finished the insulation of the entire warehouse roof before winter arrived.
insulation + of + [location] for the process
Proper insulation of the copper pipes stops heat from escaping in cold weather.
Eri checked the insulation of the electrical cables before turning on the generator.
With proper insulation, the temperature inside the greenhouse stays steady even on freezing nights.
Beatriz hired a contractor for the insulation of the water pipes in the basement.
- lagging
specifically refers to insulating pipes or boilers; more technical than 'insulation'
- weatherproofing
broader — includes protection from wind and moisture, not just temperature or sound
文法句型
insulation + of + noun phrase
insulation + of + noun + against/from + noun
常見錯誤
2. a material used to keep warmth, cold, sound, or electrical flow from travelling
a material used to keep warmth, cold, sound, or electrical flow from travelling from one area to another.
The old house had no insulation in the walls, so the heating bills were enormous.
no insulation / lack of insulation
Owen installed thick foam insulation in the ceiling to block noise from the flat above.
[material] + insulation as a compound noun
Mineral wool is a common type of insulation that also helps stop fire from spreading.
The builders used spray insulation to fill every gap between the wooden beams.
Nikhil replaced the old insulation in the loft with a more eco-friendly material.
文法句型
[type] + insulation
insulation + [noun]
layer/type of + insulation
用法筆記
Frequently combined with a preceding noun to specify the type: 'foam insulation', 'fiberglass insulation', 'spray insulation'. The modifier tells the reader what the material is made of.
常見錯誤
3. a condition in which a person, group, or system is kept apart from others and ha
a condition in which a person, group, or system is kept apart from others and has little or no contact with the outside world.
The remote mountain village gave Manuela a feeling of insulation from city stress.
figurative: feeling/state of insulation from [something]
The country's long insulation from global trade slowed its economic growth significantly.
After retiring, Christopher felt a strange insulation from the busy world he had once known.
The royal family's insulation from ordinary life means they rarely understand public opinion.
Tendai enjoyed the insulation of the library's quiet rooms from the campus noise outside.
- isolation
more neutral and commonly used for both physical and social separation; 'insulation' emphasises the protective or buffering aspect
- detachment
implies emotional distance or lack of involvement; 'insulation' focuses on being shielded from outside effects
- seclusion
voluntary withdrawal to a private place; 'insulation' can be involuntary or structural
- exposure
the state of being open and vulnerable to outside influences
- integration
being fully part of a group or system, opposite of being kept apart
文法句型
insulation + from + [something]
用法筆記
This is a figurative extension of the physical meaning. Unlike the physical senses, it carries a negative or ambivalent tone — it can describe protective detachment or unwanted loneliness. The object of 'from' is usually an abstract noun (pressure, news, influence) or a social environment (colleagues, city life, world events).