noun
test piece; test specimen; product under test
Technical term used in engineering, materials testing, and quality control for an item subjected to testing.
この供試体は引張試験に使われます。
This test specimen is used for tensile testing.
供試体の寸法を正確に測定してください。
Please measure the dimensions of the test piece accurately.
Compound of 供 (provide) + 試 (test) + 体 (body), literally 'body provided for testing'. The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.