Definition: An image or representation of a person, often used in digital contexts like video games or online profiles, or a form that a deity takes in Hinduism.

Example: In the game, players can customize their avatar to represent themselves.

Definition: A type of fuel specifically made for use in aircraft with piston engines.

Example: The pilot filled the plane's tank with avgas before the flight.

Definition: Relating to the electronic systems used in aircraft, such as navigation and communication devices.

Example: The new aircraft is equipped with advanced avionic systems for better navigation.

Definition: The electronic systems and devices used in aircraft and spacecraft, including navigation, communication, and control systems.

Example: The avionics on the new airplane improve its navigation and safety features.

Definition: Referring to something that is secretive or done in a hidden way, often used in contexts like sports or clandestine activities.

Example: The team executed a backdoor play to surprise their opponents.

Definition: To make changes to something, especially to add new features or improvements that were not included originally.

Example: The engineers decided to backfit the old machines with new safety features.

Definition: A trip made to return cargo after it has been delivered, often involving travel to a point beyond the original destination.

Example: The truck made a backhaul to pick up more goods after delivering the first load.

Definition: To send data or video from a distant location back to a main location for further processing or distribution.

Example: The company decided to backhaul the video feeds from the remote cameras to the central server.

Definition: A light source that shines from behind a subject, often used in photography to create a dramatic effect or to highlight the subject's outline.

Example: The photographer used a backlight to enhance the silhouette of the model against the sunset.

Definition: To illuminate something from the back, creating a contrast with the foreground.

Example: The photographer backlit the subject for a dramatic effect.

Definition: The lighting that comes from behind a subject, making the edges bright while the front is darker.

Example: The photographer used backlighting to create a dramatic effect in the portrait.

Definition: To illuminate something from behind, creating a silhouette effect or enhancing visibility.

Example: The photographer used backlighting to make the subject stand out against the sunset.

Definition: The process of radiation or particles being deflected back in the opposite direction after hitting a surface or medium, often at angles greater than 90 degrees from their original path.

Example: The backscatter from the surface helped scientists analyze the composition of the material.