field-free
Physics
adjective
Of a region of space: that does not contain a significant electromagnetic or gravitational field.
Origin
1920s; earliest use found in Proceedings of the Royal Society of London.
- Jack Frost
- jackfruit
- jackhammer
- jackie hangman
- jack-in-office
- jack in (or into)
- jack-in-the-box
- Jack-in-the-pulpit
- jackknife
- jackknife clam
- jackknife fish
- jackleg
- jack light
- Jacklin, Tony
- jack mackerel
- Jack Mormon
- Jack Nohi
- jack of all trades (and master of none)
- jack off
- jack-o'-lantern
- jack pine
- jack plane
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- jackrabbit