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.
2-Wire (Loop-Powered) Signal Isolatorsâ A 2-wire isolator/converter typically costs less to install than a 4-wire unit because power wires donât have to be run to the unit. Loop-powered instruments can be powered from the loop either on their output side or their input side.