Definition of derv in English:

derv

(also DERV)

noun

British
  • [mass noun] Diesel oil for road vehicles.

    • ‘Deep-sea fishermen blockaded the majority of French southern yacht and sport ports in protest against derv (diesel oil) price increases.’
    • ‘Today, the company, which supplies the Garage, dropped its prices to 79.9p per litre on unleaded, 85.9p on LRP and 83.9p per litre on derv - roughly 5p down on last week.’
    • ‘Smaller operators tend not to be quite as well organised and suffer from resistance to claims for haulage rates increases on the back of increases in the cost of derv.’
    • ‘Also I doubt if many will own their cars long enough to recoup the additional purchase price and the extra cost of derv.’
    • ‘‘It's costing us about £25,000 per month for derv,’ he said.’

Origin

1940s (apparently Second World War forces' slang): acronym from diesel-engined road vehicle.

Pronunciation:

derv

/dəːv/