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.
adjective & adverb. Created or done for a particular purpose as necessary. as adjective âthe discussions were on an ad hoc basisâ. as adverb âthe group was constituted ad hocâ. âOn this webpage we provide a selection of web links that are all related in some way to wireless ad hoc networking.â. âWireless ad hoc networks are formed by a set of hosts that communicate with each other over a wireless channel.â.