iaa

• Существительное, обозначающее растительный гормон, способствующий удлинению стеблей и корней, или аббревиатура йеменской террористической группировки, поддерживающей цели «Аль-Каиды».

A noun referring to a plant hormone that promotes elongation of stems and roots, or an acronym for a Yemen-based terrorist group supporting al-Qaeda's goals.

proper noun

1. C1formalscientific

   A naturally occurring plant hormone that promotes cell elongation in stems and roots, and is involved in many growth and behavioral processes.

   Гормон роста растений

   • IAA is crucial for phototropism, the growth of plants towards light.
   • The application of synthetic IAA can stimulate root development in cuttings.
   • Researchers measured the concentration of IAA in the plant's shoot tips.

   Synonymsauxin

2. Terrorist GroupC1formalpolitical

   A Yemen-based militant organization that supports al-Qaeda's objectives, aiming to overthrow the Yemeni government and target Western interests.

   Террористическая группировка

   • The IAA claimed responsibility for the attack on the tourist convoy.
   • International forces have been monitoring the activities of the IAA in the region.
   • The group, known as IAA, has been designated a terrorist organization by several countries.