Iaa (Noun)
Meaning 1
A plant hormone promoting elongation of stems and roots.
Classification
Nouns denoting substances.
Examples
- Auxins, such as indole-3-acetic acid or IAA, play crucial roles in regulating plant growth and development, particularly cell elongation and cell division.
- The level of IAA in plant tissues determines the rate of stem elongation and differentiation.
- IAA promotes cell expansion in stems, allowing plants to increase in height and reach more sunlight for photosynthesis.
- Root growth is also influenced by IAA, with increased concentrations stimulating root elongation and branching.
- IAA is synthesized in the shoot apices and then transported to other parts of the plant, influencing growth patterns throughout.
Synonyms
Hypernyms
Meaning 2
Yemen-based terrorist group that supports al-Qaeda's goals; seeks to overthrow the Yemeni government and eliminate United States interests; responsible for bombings and kidnappings and killing western tourists in Yemen.
Classification
Nouns denoting groupings of people or objects.
Examples
- The IAA, a Yemen-based terrorist group, has been linked to several high-profile bombings in the region.
- IAA's extremist ideology and violent tactics have made it a target of international counter-terrorism efforts.
- The US government has designated IAA as a foreign terrorist organization due to its ties to al-Qaeda and history of attacks on Western targets.
- IAA has been responsible for kidnappings and killings of Western tourists in Yemen, further destabilizing the region.
- The group's ultimate goal is to overthrow the Yemeni government and establish a strict Islamic state in its place.