Definition: Relating to the connection between the retina and a part of the brain called the optic tectum, which is involved in visual processing.

Example: The retinotectal pathway is crucial for visual reflexes in many animals.

Definition: A group of specialized cells in the compound eye of certain insects and other arthropods that are responsible for sensing light.

Example: The retinula plays a crucial role in how insects perceive their environment.

Definition: A tool or muscle that pulls back or holds open parts of the body, often used in surgery to keep an incision or organ in place.

Example: The surgeon used a retractor to keep the incision open during the operation.

Definition: Relating to the back or rear part of something.

Example: The retral view of the building shows its impressive architecture from behind.

Definition: A tire that has been fitted with a new tread or a remake of something, often in a slightly altered form.

Example: The mechanic suggested using a retread tire to save money.

Definition: To put a new layer of tread on a worn tire or to redo something with little change.

Example: The mechanic will retread the old tires to extend their life.

Definition: A noun that refers to an action that affects a previous time or an action that is a response to another action.

Example: The retroaction of the new law meant that it would apply to events that occurred last year.

Definition: To ignite or fire, especially in reference to a retrorocket.

Example: The spacecraft will retrofire its engines to slow down before re-entering the atmosphere.

Definition: To ignite or activate a retrorocket, typically used in the context of space travel or rocketry.

Example: The engineers decided to retrofire the rocket to slow its descent.

Definition: Referring to the process of adding new technology or features to existing systems or structures to improve them.

Example: The building underwent a retrofit to enhance its energy efficiency.

Definition: To add new features or technology to existing equipment or systems to improve them or make them more efficient.

Example: The company decided to retrofit their old machines with the latest technology to increase productivity.

Definition: A process of adding new technology or features to something that is older, often to improve its performance or efficiency.

Example: The building received a retrofit to enhance its energy efficiency.

Definition: To add new features or equipment to something that already exists, especially to improve it or make it more efficient.

Example: The company decided to retrofit the old factory with modern machinery to increase production.

Definition: Describing something that has been fitted or installed after its original construction or design.

Example: The building was retrofitted with new energy-efficient windows.

Definition: To add new features or technology to something that is already built or in use, often to improve its performance or efficiency.

Example: The old building was retrofitted with modern heating and cooling systems.

Definition: A process where certain substances, like starch, change structure and can lead to a decline or backward movement.

Example: The retrogradation of the starch caused the bread to become stale after a few days.