space blanket: meaning, definition, pronunciation and examples
C1Specialized / Technical / Everyday (in outdoor/emergency contexts)
Quick answer
What does “space blanket” mean?
A lightweight, reflective metallic sheet designed to retain body heat, originally developed for NASA and now widely used in first aid, outdoor activities, and emergency situations.
Audio
Pronunciation
Definition
Meaning and Definition
A lightweight, reflective metallic sheet designed to retain body heat, originally developed for NASA and now widely used in first aid, outdoor activities, and emergency situations.
Any thin, highly reflective material used for thermal insulation, often by reflecting radiant heat back toward the body; metaphorically, something that provides minimal but crucial protection or comfort.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; the term is identical. Usage frequency may be slightly higher in American English due to NASA's prominence.
Connotations
In both varieties, it strongly connotes emergency response, survival situations, and high-tech materials adapted for everyday use.
Frequency
Low-frequency in general discourse but common within specific domains like hiking, first aid, and disaster preparedness.
Grammar
How to Use “space blanket” in a Sentence
VERB + space blanket: use, unfold, wrap (in), pack, carryADJECTIVE + space blanket: emergency, reflective, metallic, foil, lightweightspace blanket + VERB: retains (heat), reflects (heat), crinklesVocabulary
Collocations
Usage
Meaning in Context
Business
Rare, except in retail for outdoor gear or in emergency supply manufacturing.
Academic
Used in materials science or design history discussing technology transfer from space programs.
Everyday
Common among hikers, marathon organizers (for finishers), and in first aid kits.
Technical
Precise term in emergency medicine, survival training, and outdoor equipment specifications.
Vocabulary
Synonyms of “space blanket”
Strong
Neutral
Weak
Vocabulary
Antonyms of “space blanket”
Watch out
Common Mistakes When Using “space blanket”
- Using 'space blanket' to refer to any thin blanket. Confusing it with a 'sleeping bag'. Spelling as one word: 'spaceblanket'.
- Using as a verb, e.g., 'I was space blanketed' (non-standard).
FAQ
Frequently Asked Questions
No, it's a generic term, though it originated from technology developed for the space program. A common brand name for the material is 'Mylar'.
Typically no. They are designed for single or limited use. Washing can damage the fragile reflective coating.
The thin metallised plastic film (often PET) crinkles easily, which is a byproduct of its lightweight, non-woven design.
A space blanket works primarily by reflecting radiant body heat, not by providing insulation through thickness or loft like a regular blanket.
A lightweight, reflective metallic sheet designed to retain body heat, originally developed for NASA and now widely used in first aid, outdoor activities, and emergency situations.
Space blanket is usually specialized / technical / everyday (in outdoor/emergency contexts) in register.
Space blanket: in British English it is pronounced /ˈspeɪs ˌblæŋkɪt/, and in American English it is pronounced /ˈspeɪs ˌblæŋkɪt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Not applicable for this technical term.”
Learning
Memory Aids
Mnemonic
Imagine an astronaut wrapping themselves in a shiny blanket in the cold vacuum of SPACE to stay warm.
Conceptual Metaphor
TECHNOLOGICAL INNOVATION AS PROTECTION (a high-tech, minimal shield against the elements).
Practice
Quiz
What is the primary function of a space blanket?