chemical

1. not comparableOf or relating to chemistry.

   chemical experiments

   4 more examples

   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.

   1883, Science, volumes 1-2, page 279

   We pinpoint all essential ingredients of intelligence found in spatio-temporal dynamics of nonlinear chemical systems, and show outlines of future designs and protypes of chemical intelligent "gooware".

   2006, Andrew Adamatzky, “Reaction-Diffusion Reactive Wetware”, in Tamio Arai, editor, Intelligent Autonomous Systems 9, IOS Press, page 3

2. not comparableOf or relating to a material or processes not commonly found in nature or in a particular product.
3. not comparableobsoleteOf or relating to alchemy.

plural chemicals

1. chemistryAny specific chemical element or chemical compound or alloy.

   Hydrogen and sulphur are both chemicals.

2. colloquialAn artificial chemical compound.

   I color my hair with henna, not chemicals.

   1 more example

   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.

   2025 January 15, “FDA moves to eliminate carcinogenic Red 3 from foods”, in Center for Science in the Public Interest

3. slangAn addictive drug.