1. Plural of alexandrite; a rare variety of the mineral chrysoberyl that appears green in daylight and red under incandescent light, valued as a gemstone.
Usage: Typically used in jewelry and gemology contexts; Named after Tsar Alexander II of Russia

Examples

• The jeweler displayed several alexandrites in the shop window, each showing the distinctive color-change property.
• Alexandrites are prized by collectors because of their rare ability to shift color depending on the light source.
• She inherited a ring set with alexandrites that had belonged to her grandmother.
• The gemologist explained that true alexandrites are much rarer and more valuable than synthetic versions.
• Under the museum's lighting, the alexandrites in the exhibit appeared to glow with an otherworldly green hue.