field
FEELD
/fiːld/
A region of space in which every point experiences a non-contact force exerted by electric charges or magnetic poles.
A continuous spatial distribution of physical force vectors.
The story behind the word. From Old English 'feld', meaning open plain. Michael Faraday adapted this familiar spatial word to describe the continuous, invisible plains of magnetic force filling space around conductors.
Word relationships
- medium: Medium refers to matter through which energy travels, whereas a field is a region mapped by force vectors.
- vacuum of force: A region devoid of any measurable force vectors.
Commonly confused with
- force: Force is a specific push or pull on a single object; a field is the spatial map of forces waiting to act.
Word family
- fieldwork (noun): Practical investigation done outside laboratory settings.
Collocations
- electric field
- magnetic field
- field intensity
- field line
Idioms & expressions
- play the field
Example sentences
- "Iron filings sprinkled around a bar magnet align precisely along its magnetic field lines." Magnetostatics lecture
- "Earth's geomagnetic field shields our atmosphere from intense solar particle radiation." Space physics research
Memory hook
A FORCE FIELD fills the spatial field. Region of space where invisible forces act.
When not to use
Do not confuse scientific vector fields with agricultural land fields or professional career fields.
Fun facts
- Michael Faraday was the first to realize that field lines are real physical entities, not just mathematical tricks.
Related words
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