1. colophony

noun. translucent brittle substance produced from pine oleoresin; used especially in varnishes and inks and on the bows of stringed instruments.

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Sentences with colophony

1. Noun, singular or mass
Harvested pine resin is also known as rosin, pitch and colophony.

2. Adjective
The European Union states that a colophony level of 0.1 percent or greater must be labeled and may pose as a skin contact sensitizer.

3. Verb, base form
So, you have an allergy to colophony, what does that mean exactly?