Botany. 1  a tuft of silky hairs at the end of a seed. 2  the leafy crown of a tree; cluster of leaves at the end of a stem. 3  a terminal cluster of bracts, as in the pineapple.
The flexible pads are called base-isolators, whereas the structures protected by means of these devices are called base-isolated buildings. The main feature of the base isolation technology is that it introduces flexibility in the structure.
Battery Isolators, Automatic Charging Relays (also called ACR's, combiners, or voltage sensitive relays) are all intended to keep a load (or loads) from discharging the reserve battery system.