sparks
n. countablen. small, bright flashes of light that come from a fire or from two things hitting each other. You can also use it to describe a sudden feeling of excitement or interest between two people.
n. small, glowing particles emitted from a fire or produced by friction; figuratively, a sudden feeling of excitement, attraction, or creative inspiration. Often used in the plural when referring to romantic chemistry.
Sparks flew from the campfire into the night sky.
There were immediate sparks between them during the first date, and they talked for hours until the restaurant closed.
The welder's torch sent a shower of orange sparks across the workshop floor, while the designer felt the first sparks of a new idea forming in her mind.
Commonly used in the plural form when referring to romantic attraction or the physical output of a fire.