noun. the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold.
- unit of measurement
Example sentences of the word kt
1. Noun, singular or mass
If the gold leaf is under 22 kt, or is synthetic, you may need to paint on an acrylic top coat.
2. Proper noun, singular
Inputting the scientist's information into the equation for exponential growth or decay, y(t) = a__ekt, he has: