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.
Meaning, as they happen. Ad hoc is also used quite frequently in the contexts of information technology and in journalism as well. Though ad hoc might not be used in an everyday context, it is a very handy word, and now that you know what it means and the contexts it can be used in, you can make use of it well enough.eaning, as they happen. Ad hoc is also used quite frequently in the contexts of information technology and in journalism as well. Though ad hoc might not be used in an everyday context, it is a very handy word, and now that you know what it means and the contexts it can be used in, you can make use of it well enough.