Englishfor English speakers
colorless
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adjective
(= colourless)
lacking in variety and interest
a colorless and unimaginative person
a colorless description of the parade
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adjective
weak in color; not colorful
flux
Noun
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A flux is a chemical agent for cleaning metal prior to soldering or welding.
It is important to use flux when soldering or oxides on the metal will prevent a good bond.
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Flux is the action or process of flowing.