The plant leaves are lateral outgrowth of the stem which develop from the meristematic tissues of buds. They are the part of the plant shoot which serves as the chief food-producing organ in most vascular plants.
Adjective[edit] ad hoc â(comparative more ad hoc, superlative most ad hoc) 1  For a particular purpose. 2  Created on the spur of the moment; impromptu. ( sciences) (of a hypothesis) Postulated solely to save a theory from being falsified, without making any new predictions.
An ad hoc network is a type of temporary computer-to-computer connection. In ad hoc mode, you can set up a wireless connection directly to another computer without having to connect to a Wi-Fi access point or router.