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.
Common examples are organizations, committees, and commissions created at the national or international level for a specific task. In other fields, the term may refer, for example, to a military unit created under special circumstances, a tailor-made suit, a handcrafted network protocol, or a purpose-specific equation.Ad hoc can also mean makeshift solutions, shifting contexts to create new meanings, inadequate planning, or improvised events.According to The Chicago Manual of Style, familiar Latin phrases that are listed in Merriam-Webster, such as ad hoc, should not be italicized.ommon examples are organizations, committees, and commissions created at the national or international level for a specific task. In other fields, the term may refer, for example, to a military unit created under special circumstances, a tailor-made suit, a handcrafted network protocol, or a purpose-specific equation.