Definition: A dangerous chemical compound that was used as an insecticide but is now banned in many places due to its toxicity.

Example: Farmers used to apply endrin to crops to control pests, but its use has been largely discontinued because of health risks.

Definition: The study of how energy moves and changes in different systems.

Example: The researchers focused on energetics to understand how energy is transferred in ecosystems.

Definition: The ability to do work or cause change; it can come from various sources like food, fuel, or electricity.

Example: The sun provides energy that helps plants grow.

Definition: A method used to create perfume by allowing fats or oils to soak up the scent from fresh flowers.

Example: The perfumer used enfleurage to capture the delicate fragrance of the jasmine blossoms.

Definition: The field that involves using scientific and mathematical principles to design and create structures, machines, and systems that are useful and efficient.

Example: She decided to study engineering because she loves building things and solving problems.

Definition: The state of being filled with too much fluid, often causing swelling or enlargement.

Example: The engorgement of the tissue was evident after the injury.

Definition: To attach a part of one plant to another so that they grow together, or to establish something firmly.

Example: The gardener decided to engraft a new variety of apple onto the existing tree.

Definition: The process of attaching a part of one plant to another so that they grow together as one.

Example: The engraftment of the new branch onto the tree was successful.

Definition: To firmly establish or fix something in a person's mind or in a particular place.

Example: The teacher tried to engrain the importance of honesty in her students.

Definition: A change in the brain's structure that is believed to store memories as a result of experiences or learning.

Example: The scientist studied how engrams form in the brain when we learn new information.