Gizmo A small gadget or device: This is the most general meaning of “gizmo.” It can refer to any kind of tool or implement, especially one whose name you might not remember or that has an unusual function. Share FacebookTwitterPinterestWhatsApp More Terms Point-and-Shoot UIDAI SMS Virtual Reality (VR) SIM card Advanced Encryption Standard (AES) Industrial IoT (IIoT) CarPlay IPv6 Aperture (camera) New Additions Webinar IR thermal sensor LIDAR Digital Signal Processing (DSP) technology Clepsydra ( Water Clock) Carbon Footprint Mechanical clock Sundial UIDAI OCR