Meaning of the word fastness in English
What does fastness mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.
fastness
US /ˈfæst.nəs/
UK /ˈfæst.nəs/
Noun
1.
how fast (= fixed) something is:
Example:
•
Test clothes for color fastness before washing.
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