English Dictionary

stratum

IPA（発音記号）

/ˈstɹɑːtəm/

名詞

One of several parallel horizontal layers of material arranged one on top of another. / (geology) A layer of sedimentary rock having approximately the same composition throughout.

日本語の意味

層・階層：水平に並ぶ複数の層のうちの一層 / 地層：地質学において、同一の組成を持つ堆積岩等が形成する層

A thin stratum of volcanic ash preserved the footprints for millennia.

薄い火山灰の層が何千年もの間、その足跡を保存していた。

意味（1）

One of several parallel horizontal layers of material arranged one on top of another.

It is built of alternate strata of brick and clay, and the sides correspond to the direction of the meridians and parallels.

意味（2）

(geology) A layer of sedimentary rock having approximately the same composition throughout.

An illuminating article in a recent issue of the Eastern Region's Civil Engineering News points out that where coal is worked over a reasonably large area, it is not only the whole of the strata above the workings, but also an area beyond which is liable to subside at varying rates after the coal has been removed.

意味（3）

Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.

意味（4）

(biology) A layer of tissue.

意味（5）

A class of society composed of people with similar social, cultural, or economic status.

意味（6）

(ecology) A layer of vegetation, usually of similar height.

意味（7）

(computing) The level of accuracy of a computer's clock, relative to others on the network.

Computers that synchronize themselves to the stratum 1 time servers are known as stratum 2 time servers if they allow others to synchronize to them, and so on.

stratums （ plural ）

strata （ plural ）