Portland Cement

Japanese: portland cement(英語表記)portlandcement
Portland Cement

…In 1824, the British scientist J. Aspdin invented a method of mixing clay and limestone and baking them, which gave birth to modern cement, whose components could be adjusted. It is said that this cement was named Portland cement because the hardened cement resembled the color of stone mined in the Isle of Portland in the UK. Later, with the help of basic research by the British scientist IC Johnson, the foundations of modern Portland cement were laid in the mid-19th century. …

*Some of the terminology that mentions "Portland cement" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…1824年にイギリスのアスプディンJ.Aspdinにより粘土と石灰石を混合して焼成する方法が発明され,成分調製が可能な近代的セメントが誕生した。このセメントの硬化したものがイギリスのポートランド島から産出される石材の色とよく似ていたためポルトランドセメントportland cementと命名されたといわれる。その後,イギリスのジョンソンI.C.Johnsonの基礎研究などもあって,19世紀半ばには現在のポルトランドセメントの基礎ができた。…

※「portland cement」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

<<:  Portland arrowroot

>>:  portmanteau

Recommend

Jury - baishin (English spelling) jury

A system that allows ordinary citizens to particip...

Camberwell beauty

...Lepidoptera, Nymphalidae. In the UK it is call...

General theory of relativity

This theory of space and time was completed by Ei...

Yu King - Touou

Years of birth and death unknown. King of the fou...

Color development - Hashokugenzo

This is the process of forming dyes in the develo...

Ignition - Inka

〘 noun 〙 The act of something starting to burn due...

Monk Kojima - Kojima Hoshi

Year of death: Ōan 7/Bunchū 3.4.28,29 (1374.6.8,9)...

Ichibei Furukawa

Year of death: April 5, 1903 (Meiji 36) Year of bi...

Kapitan (Greek) - Kapitan

… According to the numerous Balkan legends about ...

coalition government

…Under a parliamentary cabinet system, a coalitio...

Aniaigata flora - Aniaigata flora

…In general, there are more deciduous and conifer...

Bosnia and Herzegovina

Official name = Republic of Bosnia and Herzegovina...

Inka - Inge

In a broader sense, it refers to a temple that ha...

Brother Island

It is part of the Chichijima Islands in the centra...

Triglochin palustre (English spelling)

… [Takashi Yamashita]. … *Some of the terminology...