그리스어 알파벳의 여덟 번째 글자.
The eighth letter of the Greek alphabet (Θ, θ), transliterated as 'th'.
예문:
"The word 'theology' begins with the Greek letter theta."
"Lowercase theta is often used as a variable in mathematical equations."
평면각이나 극좌표를 나타내는 기호.
A symbol used to represent a plane angle or a polar coordinate.
예문:
"Calculate the value of theta in the right-angled triangle."
"In polar coordinates, a point is defined by its distance r and angle theta."
깊은 휴식이나 수면 시 발생하는 4~7 헤르츠 주파수의 뇌파 활동.
Relating to brain activity with a frequency of 4 to 7 hertz, typically associated with sleep or deep relaxation.
예문:
"Theta waves are prominent during deep meditation and light sleep."
"The EEG showed an increase in theta rhythm as the patient relaxed."
온도를 나타내는 기호, 또는 고분자 용액이 이상적으로 거동하는 특정 온도.
A symbol for temperature, or specifically the temperature at which a polymer solution behaves ideally.
예문:
"The theta solvent allows the polymer chain to act as an ideal random coil."
"Engineers often use theta to denote Celsius temperature in thermodynamic calculations."
별자리의 여덟 번째 별.
The eighth star in a constellation, usually designated by the Greek letter theta followed by the constellation's name.
예문:
"Theta Draconis is a star located in the constellation of Draco."
"The astronomer pointed out Theta Orionis in the night sky."