1. a three-dimensional image formed by the interference of light beams from a laser or other coherent light source
2. a photograph of an interference pattern that, when suitably illuminated, produces a three-dimensional image
Usage: technical

Examples

• The museum displayed a hologram of an ancient artifact.
• She watched the hologram rotate slowly in the air.
• The credit card had a security hologram to prevent counterfeiting.
• Scientists created a hologram using laser technology.
• The hologram appeared to float above the projector.
• The store’s hologram advertisement caught everyone’s attention.