ponceau

Borrowed from French ponceau.

• IPA^(key): /ˈpɒn.səʊ/, /pɒnˈsəʊ/

ponceau (plural ponceaus or ponceaux)

1. (chemistry) Any of a number of red pigments, some of which are used as indicators.
   • 2013, Georg Von Georgievics, The Chemical Technology of Textile Fibres:

     It should be mentioned that considerable divergence exists in the fastness of the various ponceaus, a circumstance still insufficiently known and appreciated in practice.

Inherited from Old French poncel (“poppy”), a diminutive formation from Old French paon (“peacock”).

• IPA^(key): /pɔ̃.so/

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ponceau m (plural ponceaux)

1. corn poppy
2. poppy colour

Inherited from Old French puncel, from Vulgar Latin ponticellus, a variant of Classical Latin ponticulus, from pōns + -culus.

ponceau m (plural ponceaux)

1. a small bridge

• “ponceau”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.