chemical
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chemical
A chemical substance with a specific, defined composition, often produced industrially or used in chemical processes.
Beim Experimentieren mit gefährlichen Chemikalien muss man eine Schutzbrille tragen.
When experimenting with dangerous chemicals, you have to wear safety goggles.
'Die Chemikalie' (chemical) belongs to the word family around 'die Chemie' (chemistry). Related words are the adjective 'chemisch' (chemical) and the profession 'der Chemiker' or 'die Chemikerin' (chemist).
Der Chemiker erklärte die Eigenschaften der Chemikalie.
The chemist explained the properties of the chemical.
Don't confuse the noun 'die Chemikalie' (chemical) with the adjective 'chemisch' (chemical). 'Chemisch' describes a property or a process, while 'die Chemikalie' is a substance.
Das ist eine chemische Reaktion.
That is a chemical reaction.
The word is often combined with adjectives that describe a danger or property. Common combinations are 'gefährliche Chemikalien' (dangerous chemicals), 'giftige Chemikalien' (toxic chemicals), or 'industrielle Chemikalien' (industrial chemicals).
In diesem Labor wird mit hochgiftigen Chemikalien gearbeitet.
In this laboratory, people work with highly toxic chemicals.
connection / association
'die Verbindung' and 'die Chemikalie' can both occur in the field of chemistry, but they do not mean the same thing. A chemical 'Verbindung' is a compound: a substance made up of several chemically bonded elements. 'Chemikalie' is a more general word for a chemical substance that is used, for example, in a laboratory or in industry. Learners may confuse the words because both sound related to chemistry. If you want to emphasize the chemical structure, 'Verbindung' is more precise. If you are talking about a substance in use or in a process, 'Chemikalie' usually fits better.
Im Labor trägt Sofia Handschuhe, weil sie mit einer Chemikalie arbeitet.
In the lab, Sofia wears gloves because she is working with a chemical.
Wasser ist eine chemische Verbindung aus Wasserstoff und Sauerstoff.
Water is a chemical compound made of hydrogen and oxygen.