그리스어 알파벳의 열넷째 글자(Ξ, ξ). 영어로는 보통 'x'로 표기된다.
The fourteenth letter of the Greek alphabet (Ξ, ξ), transliterated as 'x' in English.
예문:
"In mathematics, the variable xi is often used to denote a coordinate or a specific value in a series."
"The capital letter Xi (Ξ) looks like three horizontal lines connected by a vertical line."
입자 물리학에서, 위 쿼크, 아래 쿼크, 기묘 쿼크를 각각 하나씩 포함하거나 그 변형을 포함하는 중입자(아원자 입자의 일종). 종종 캐스케이드 입자라고 불린다.
In particle physics, a baryon (a type of subatomic particle) that contains one up, one down, and one strange quark, or variations thereof, often referred to as a cascade particle.
예문:
"The discovery of the Xi baryon provided further evidence for the quark model of matter."
"The short lifespan of the Xi particle makes it challenging to study its decay products."
바이어 명명법에 따라 특정 별자리 내에서 보통 밝기 순서로 정해지는 열넷째 별에 대한 명칭.
A designation for the fourteenth star, usually in order of brightness, within a specific constellation, following the Bayer designation system.
예문:
"Astronomers often refer to Xi Ursae Majoris, a star system in the constellation Ursa Major."
"Observing Xi Scorpii requires a powerful telescope due to its relative faintness."