selector
/si'lektə/
Học thuậtThân thiện
Definition
- Noun:
- A switch or device for choosing among alternatives: A mechanical or electronic component that allows a user to choose from different options, settings, or inputs.
- A person who chooses or selects: An individual responsible for making a choice, especially in contexts like sports teams, committees, or juries.
Examples
- Noun (Device):
- Use the selector on the dashboard to switch between driving modes.
- The washing machine has a temperature selector for different fabrics.
- Noun (Person):
- The national team selector will announce the squad tomorrow.
- She worked as a selector for the art gallery, choosing which pieces to exhibit.
Advanced Usage
- In computing and programming: A "selector" often refers to a pattern or string used to identify and style elements in a document, such as a CSS selector in web design.
- The CSS selector
h1.titletargets all heading elements with the class "title".
- In statistics and machine learning: A "feature selector" is an algorithm or method for choosing the most relevant variables from a dataset.
- The model's performance improved after using a feature selector.
Variants and Related Words
- Select (verb): To choose from a number of possibilities.
- Please select your preferred language.
- Selection (noun): The action or process of choosing someone or something.
- The final selection was very difficult.
- Selective (adjective): Characterized by careful choice.
- He is very selective about the projects he accepts.
Synonyms
- Chooser: One who makes a selection.
- Picker: One who selects (often used informally).
- Switch: A device for making and breaking an electrical connection (for the device meaning).
Related Phrases
- Selector switch: A specific type of switch with multiple positions for selecting different circuits or functions.
- Turn the selector switch to "off" before servicing the equipment.
Noun
- a switch that is used to select among alternatives
- a person who chooses or selects out