[ sʌb'strα:təm , -'streɪtəm ]
■ noun ( plural substrata )
1》 an underlying layer or substance, in particular a layer of rock or soil beneath the surface of the ground.
2》 a foundation or basis.
[ sʌb'strα:təm , -'streɪtəm ]
■ noun ( plural substrata )
1》 an underlying layer or substance, in particular a layer of rock or soil beneath the surface of the ground.
2》 a foundation or basis.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004