Word: Iris Scanning
Definition:
"Iris scanning" is a method of identifying a person by looking at the unique patterns in their iris, which is the colored part of the eye. Each person's iris has a distinct design, making it a reliable way to confirm someone's identity.
Usage Instructions:
"Iris scanning" is a noun and is often used in discussions about security, technology, and biometric identification systems. You might encounter it in contexts such as airports, secure buildings, or when using personal devices.
Example Sentence:
"The new security system at the airport uses iris scanning to quickly check passengers' identities."
Advanced Usage:
In advanced discussions, you might refer to "iris recognition technology" or "biometric authentication systems" that utilize iris scanning as a method for enhancing security measures in various environments, from smartphones to financial institutions.
Word Variants:
- Iris (noun): The colored part of the eye. - Scan (verb): To examine closely or to take a digital image of something.
Different Meanings:
While "iris" specifically refers to the eye's part, the term "scan" can also refer to looking over something quickly or examining in detail—for example, scanning a document or scanning a crowd.
Synonyms:
- Biometric identification - Eye recognition - Iris recognition
Idioms and Phrasal Verbs:
There aren't specific idioms or phrasal verbs directly related to "iris scanning," but you could use "look closely" or "take a closer look" in a similar context, meaning to examine something in detail.
Summary:
"Iris scanning" is a high-tech way of identifying people based on the unique patterns in their eyes.