topsoil

[ top-soil ]
/ ˈtɒpˌsɔɪl /

noun

the fertile, upper part of the soil.

verb (used with object)

to cover (land) with topsoil.

Origin of topsoil

First recorded in 1860–65; top1 + soil1

Example sentences from the Web for topsoil

British Dictionary definitions for topsoil

topsoil
/ (ˈtɒpˌsɔɪl) /

noun

the surface layer of soil

verb (tr)

to spread topsoil on (land)
to remove the topsoil from (land)

Scientific definitions for topsoil

topsoil
[ tŏpsoil′ ]

The upper portion of a soil, usually dark colored and rich in organic material. It is more or less equivalent to the upper portion of an A horizon in an ABC soil.

Cultural definitions for topsoil

topsoil

The thin, rich layer of soil where most nutrients for plants are found.

notes for topsoil

Most of the land-based biological activity of the Earth takes place here.

notes for topsoil

The loss of topsoil through erosion is a major agricultural problem.