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.
The battery isolator is like an automatic switch which will only allow the second battery to charge after the first battery / car battery has reached a certain voltage (normally 13.8 volts on a 12 volt system) indicating that battery is charged.