chemical

adjective

1. 1

   Of or relating to chemistry.

   chemical experiments

   the chemical properties of iron

   Pentalene has chemical formula C₈H₆

   The physiology of matter in the abstract is dynamical, that of mineral species is both dynamical and chemical, while that of organized forms is at once dynamical, chemical, and biotical.

2. 2

   Of or relating to a material or processes not commonly found in nature or in a particular product.

3. 3

   obsoleteOf or relating to alchemy.

noun

1. 1

   Any specific chemical element or chemical compound or alloy.

   Hydrogen and sulphur are both chemicals.

2. 2

   An artificial chemical compound.

   I color my hair with henna, not chemicals.

   CSPI says the Trump Administration could take steps to protect consumers from each of these chemicals and support FDA’s broader post-market assessment efforts. It could ensure that FDA sets health-protective limits on heavy metals, like lead, arsenic, and cadmium, in foods consumed by children.

3. 3

   slangAn addictive drug.

Forms

plural

chemicals