Definition: Relating to or containing a chemical element called selenium, which is important for various biological functions.

Example: The selenic compounds are used in some medical treatments.

Definition: A type of chemical compound that contains selenium as an anion with a negative charge, often combined with other elements or groups.

Example: Selenide compounds are used in various chemical reactions and applications.

Definition: A chemical element that is a nonmetal, found in different forms such as powder, glassy, and crystalline. It is used in electronics, photography, and solar technology.

Example: Selenium is an important element in the production of solar panels.

Definition: A person who studies the moon and its features.

Example: The selenologist presented her findings on lunar geology at the conference.

Definition: The process by which a plant reproduces itself without the involvement of another plant, often through methods like cloning or vegetative propagation.

Example: Selfing can lead to the production of genetically identical plants.

Definition: A device that transmits the position or movement of an angle from one part of a machine to another, often used in generators and motors.

Example: The engineer installed a selsyn to ensure accurate position feedback between the generator and the motor.

Definition: A device used to send messages visually, often with flags or lights, commonly used in transportation like railroads.

Example: The train conductor used a semaphore to signal the train to stop.

Definition: To send a message or signal using a system of flags or lights that represent letters or numbers.

Example: The operator used a semaphore to communicate with the ship in the distance.

Definition: Not a valid English word.

Example: N/A

Definition: A basic unit of meaning in linguistics that represents a concept or idea.

Example: In linguistics, a seme is used to analyze the meaning of words and phrases.

Definition: To appear to be or to give the impression of being something.

Example: It may seme that he is happy, but he is actually quite sad.

Definition: Partially automatic, requiring some manual action to operate, such as squeezing the trigger for each shot.

Example: The semiautomatic rifle allows for quick firing while still requiring the shooter to pull the trigger each time.

Definition: A type of firearm that automatically reloads after each shot but requires the shooter to pull the trigger for each shot.

Example: The police officer carried a semiautomatic for protection.

Definition: Having the shape of half a circle.

Example: The garden was designed with a semicircular pathway that added elegance to the landscape.