Crossword Heaven

Answer: PHOTON

PHOTON is a crossword puzzle answer that we have spotted 19 times.

• Massless particle
• Unit of light intensity
• Kind of torpedo in "Star Trek"
• X-ray particle
• Light quantum
• Quantum of light
• Quantum of visible light
• Light unit in physics
• Light particle
• Light-intensity measure
• Particle of light
• Bit of illumination
• Unit of retinal illumination
• Particle theorized by Einstein
• Laser particle
• ___ torpedo: "Star Trek" weapon
• Speed-of-light particle
• Something scientists make light of?
• Kind of "Star Trek" torpedo