retarder

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English

Etymology

retard +‎ -er

Noun

retarder (plural retarders)

  1. Something which retards or slows.
    Synonyms: bottleneck, inhibitor, retardant, limiter
    Antonyms: accelerant, promoter, quickener
    The substance acted as a retarder to the chemical reaction because it radically changed the pH.
  2. (mechanical engineering) A device for slowing down large trucks, lorries, buses, shunted railway wagons.
    • 1961 April, G. Freeman Allen, “The "Rheingold" goes via Cologne”, in Trains Illustrated, page 237:
      [...] unlike the latest British yards, Gremberg has only primary retarders, manually operated, a method that the hump operators apparently prefer to electro-pneumatic control because they can grade the braking pressure more accurately by feel.
  3. (baking) A refrigerator used to slow down proofing of yeast when making dough.

Further reading

Anagrams


French

Pronunciation

Verb

retarder

  1. to retard, slow down
    Sa bêtise nous a énormément retardé.His stupidity greatly slowed us down.
  2. to postpone, put back

Conjugation

Derived terms

Further reading


Latin

Verb

(deprecated template usage) retarder

  1. first-person singular present passive subjunctive of retardō

Old French

Etymology

Borrowed from Latin retardō.

Verb

retarder

  1. (transitive) to retard; to delay; to make late
    • li qel paiement par la dite encheson ad esté uncore retardez, Bretigny 28.18
      The aforementioned payment by the same occasion has again been delayed

Conjugation

This verb conjugates as a first-group verb ending in -er. The forms that would normally end in *-d, *-ds, *-dt are modified to t, z, t. Old French conjugation varies significantly by date and by region. The following conjugation should be treated as a guide.

Descendants

  • English: retard
  • French: retarder
  • Norman: r'tèrgi