topaz has definitions from the fields of color,chemistry,geology
1
[ noun ] (chemistry,geology) a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone

Related terms

mineral transparent_gem

2
[ noun ] (geology) a yellow quartz

Related terms

quartz

3
[ noun ] (color) a light brown

Synonyms

tan

Related terms

light_brown

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