lightning strike 
noun British
A strike by workers after little or no warning, especially without official union backing.
- carbon arc
- Carbonarism
- Carbonaro
- carbonatation
- carbonate
- carbonated
- carbonate-fluorapatite
- carbonation
- carbonatite
- carbonatitic
- carbonator
- carbon bisulphide
- carbon black
- carbon bronze
- carbon capture and storage
- carbon chain
- carbon composite
- carbon-copied
- carbon copy
- carbon credit
- carbon cycle
- Carbondale
- carbon-date
- carbon dating
- carbon debt