0 등호는 왜 두 줄이에요?Why two lines in an equals sign?
'Why does the equals sign have two lines?' 'It means the same.' 'But why two?' 'Is an equation (등식) something you write on your back (등)?'
Hanja Family · 한자 가족
等 — 무리 등
등호는 왜 두 줄이에요? — 무리 등(等), 같은 길이
Why does the equals sign have two lines? — 等, equal
문증 what the dictionary records
등호(等號)·등식(等式)·부등식(不等式)·평등(平等)·등급(等級)·공식(公式). 📖 等 = 竹 + 寺. 「대나무를 가지런히」는 전통 풀이. 한자·독음은 표준국어대사전·우리말샘 원어 칸.
- 우리말샘 等號·等式·平等·等級·公式
1 무리 등 — 같은 길이 두 줄等: two lines of equal length
等 — bamboo cut to equal lengths. 等號, the equals sign: two lines of the same length, so it means 'the same'. 等式 an equation; 不等式 an inequality.
2 평등·등급Equality, rank
平等 equality — flat and equal. 等級 rank — sorted into equal groups.
3 법 식은 틀式 is a frame
式 is a frame. 公式 a formula everyone uses. 'So an equation is a same-frame, an inequality a not-same-frame!'
4 왼쪽 무리, 오른쪽 무리Left group, right group
'3 + 2 = 5. Left group, right group, two lines the same length!' 'That's why it's two.'
등호 두 줄은 같은 길이, 등식은 양쪽이 같은 무리의 식이었어요.