chemical

chimico

Relativo alle sostanze e ai cambiamenti che avvengono quando si mescolano o reagiscono.

In inglese semplice: Connected with substances and the ways they change when they mix or react.

• A chemical reaction produced heat.
• Scientists tested the water for chemical changes.
• Do you know the chemical formula for salt?

Espressioni comuni: chemical reaction, chemical formula, chemical change, chemical composition

sostanza chimica

Sostanza con una composizione precisa, spesso usata nella scienza, nell’agricoltura, nella pulizia o nella produzione.

In inglese semplice: A substance with a particular makeup, often used in science, farming, cleaning, or making things.

• Wear gloves when handling this chemical.
• The factory stores chemicals in locked rooms.
• Which chemical caused the water to change colour?

Sinonimi: substance

Espressioni comuni: dangerous chemical, chemical spill, industrial chemical

prodotto chimico, sostanza sintetica

Sostanza prodotta dall’uomo anziché ricavata direttamente dalla natura.

In inglese semplice: A substance made by people rather than taken directly from nature.

• I avoid harsh chemicals in my garden.
• This cleaner contains no synthetic chemicals.
• She prefers natural dyes to chemicals.

Sinonimi: synthetic substance

Espressioni comuni: synthetic chemical, harsh chemical, chemical additives