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frontier
This word carries a strong sense of exploration and the unknown. It suggests a boundary that is not just a line on a map, but a threshold between the familiar and the mysterious. There is an inherent feeling of risk, adventure, and the potential for discovery associated with it. While a border is often seen as a restrictive barrier designed to keep people out or in, a frontier is viewed as an invitation to expand. It is frequently used in scientific or intellectual contexts to describe the cutting edge of human understanding, where established rules no longer apply and new theories are born.
Countable when referring to a specific geographic border or a distinct area of research. Uncountable when referring to the general concept of pioneering and expansion.
Ý nghĩa
The extreme limit of settled land beyond which lies wilderness.
"The pioneers pushed the frontier further west."
The line or border separating two countries.
"Guards patrol the frontier between the two nations."
The furthest limit of knowledge or achievement in a particular field.
"Quantum computing represents the new frontier of information technology."