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.
3Utility and smaller centrifugal fans can be directly mounted on isolators.Fan shown is a Model USF-200Larger centrifugal fans and all sizes of Arr. 1 or 3 fans are typically mounted on bases. The fan shown in this photo is mounted on a structural base with height saving brackets and free standing springs.