blocking agent

• مادة أو عامل يمنع أو يثبط عملية أو تفاعلًا أو فعلًا معينًا، ويُستخدم غالبًا في الكيمياء أو الأحياء أو الصيدلة لحجب المستقبلات أو المسارات.

A substance or factor that prevents or inhibits a specific process, reaction, or action, commonly used in chemistry, biology, or pharmacology to block receptors or pathways.

1. Medical blockerC1formal

   A substance that prevents a specific biological process or chemical reaction from occurring.

   مُحْصِر

   • Beta-blockers are a common type of blocking agent used for heart conditions.
   • The drug acts as a blocking agent for certain pain receptors.
   • Researchers developed a new blocking agent to inhibit tumor growth.

2. Chemical inhibitorC1formal

   A chemical compound that stops or slows down a chemical reaction.

   مثبط كيميائي

   • The blocking agent prevented the catalyst from activating.
   • In the experiment, a blocking agent was used to stop the reaction.
   • Chemists identified a blocking agent that neutralizes the acid.