This is the 2295th most frequent Japanese word.
高度
"高度" means "altitude" or "degree of height/level."
Here, '高度' is used to describe a high level of technological development or complexity.
その技術は高度な解析が求められる。
That technology requires advanced analysis.
In this case, '高度' refers to the altitude or height above sea level.
飛行機は高度一万メートルを飛んでいる。
The airplane is flying at an altitude of ten kilometers.
Here, '高度' is used to describe the sophistication or advanced nature of someone's way of thinking.