1. relating to or existing beyond or outside a single galaxy
Usage: astronomy

Examples

• Scientists study metagalactic space to understand the structure of the universe.
• The telescope detected metagalactic radiation from distant galaxy clusters.
• Metagalactic phenomena include interactions between multiple galaxies.
• Researchers mapped the metagalactic distribution of dark matter.
• The metagalactic medium contains sparse gas between galaxy groups.
• Astronomers observe metagalactic jets extending far beyond individual galaxies.