shear box
Technical term in soil mechanics and geotechnical engineering; a device used to measure the shear strength of soil samples.
The shear strength of the soil is measured using a shear box.
Standard kanji spelling for this technical term.
Alternate kanji form using 剪; less common than せん断箱.
Compound of せん断 (shear) and 箱 (box). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.