Rare technical or literary term for a lever; in modern Japanese, てこ is the standard word. This form may appear in older texts or specialized contexts.
See also: てこ
In old physics texts, the notation '槓杆' can sometimes be seen.
'槓杆の原理' is used with the same meaning as 'てこの原理' (principle of the lever).
Rare kanji spelling for 'lever'; the word is normally written in kana or replaced by the common synonym てこ.
Variant kanji spelling; equally rare and not in common use.
The kanji 槓 and 杆 both relate to poles or bars, and the compound is a direct Chinese-derived term for 'lever'. The reading こうかん is on'yomi. The word is now largely replaced by the native Japanese てこ.