1. Plural of anatase; a mineral form of titanium dioxide (TiO₂) that occurs as tetragonal crystals.
Usage: technical; mineralogy

Examples

• Anatases are commonly found in metamorphic rocks and alpine veins.
• The geologist identified several anatases in the mineral collection.
• Anatases have a tetragonal crystal structure distinct from rutile.
• Industrial applications of anatases include use in pigments and photocatalysts.
• The sample contained both rutile and anatases forms of titanium dioxide.