1. devices or substances that give off or discharge something, especially light, heat, radiation, or particles
Usage: plural of emitter

Examples

• The factory installed new low-emission emitters to reduce pollution.
• LED emitters are more energy-efficient than traditional light bulbs.
• Scientists studied the gamma ray emitters in the distant galaxy.
• The infrared emitters help heat the greenhouse during winter.
• Carbon emitters must comply with new environmental regulations.
• The radio telescope detected signals from multiple cosmic emitters.