Derich

//ˌdiˈɹɪt͡ʃ// verb

verb ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To make the air–fuel ratio (of a jet engine or a carburetor) leaner (less rich). rare

    "The fuel derich system on each engine protected against severe turbine over-temperature. If the engine's EGT indicator reached 860 degrees Celsius while the system was armed, the air/fuel ratio in the engine was automatically reduced (deriched)."

Synonyms

All synonyms
disenrichlean

Antonyms

All antonyms
enrich

Example

More examples

"The fuel derich system on each engine protected against severe turbine over-temperature. If the engine's EGT indicator reached 860 degrees Celsius while the system was armed, the air/fuel ratio in the engine was automatically reduced (deriched)."

Etymology

From de- + rich.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.