Definition

A novelty ring containing heat-sensitive liquid crystals that change color in response to the wearer's body temperature, supposedly indicating their emotional state. Popular in the 1970s and 1980s, mood rings are based on pseudoscience and don't actually reflect emotions.

Example Usage

My mood ring turned blue when I was relaxed, but I knew it was just reacting to my skin temperature.

Origin

Invented in the 1970s, combining 'mood' (emotional state) and 'ring' (finger jewelry); popularized by novelty retailers and marketed as a fun way to 'read' one's feelings.

Fun Fact

Mood rings typically change through colors like black, brown, pink, purple, blue, and green, but the color changes are entirely due to thermochromism, not actual emotion detection.

Source: Definition backfill (hailey)

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