Metal
noun
Gold belongs to this family... "What is metal?"
きんぞく
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
厳しい景況にもかかわらず、あの金属メッキ工場は成長を続けている。
The metal-plating factory is thriving despite the challenging business climate.