Synonyms and Antonyms for 18-karat_gold
1. 18-karat gold (n.)
an alloy that contains 75 per cent gold
2. 24-karat gold (n.)
100 per cent gold
3. 22-karat gold (n.)
an alloy that contains 87 per cent gold
4. 18 (adj.)
being one more than seventeen
5. 18 (n.)
the cardinal number that is the sum of seventeen and one
