derich

D2E1R1I1C3H4
/ˌdiˈɹɪt͡ʃ/

verb

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

Similar
leandisenrich
Opposite
enrich
Scrabble 12
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Meanings

verbderich (third-person singular simple present deriches, present participle deriching, simple past and past participle deriched)

present singular third person deriches · participle present deriching · participle past deriched · past deriched

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

    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).

    2019 [2008], Richard H. Graham, Flying the SR-71 Blackbird: In the Cockpit on a Secret Operational Mission, Motorbooks International, →ISBN, page 62

    Synonyms: lean, disenrich

Synonyms & antonyms

verbTo make the air–fuel ratio (of a jet engine or a carburetor) leaner (less rich).

Similar
leandisenrich
Opposite
enrich
Also see
disenrichlean

Origin

From de- + rich.

Full word history & related roots →

Rhymes & wordplay

Anagrams

dreichchiderherdic
Cite this entry
APA

derich. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/derich

MLA

“derich.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/derich. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “derich,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/derich.

Source: derich on Wiktionary, CC BY-SA 4.0.