chemical

Molecular science product

Chemical describes anything relating to chemistry—the science of matter and its transformations.

A chemical reaction changes substances at the molecular level.

As a noun, a chemical is any substance with a distinct molecular composition, though in everyday speech it often implies synthetic or industrial compounds: The label lists chemicals I can't pronounce.

Chemical weapons use toxic substances.

The phrase chemical imbalance refers to disrupted brain chemistry, often invoked to explain mental health conditions.

substance

solvent

Dissolving liquid or financially stable

  • soluteSubstance absorbed by solvent
  • reagentSubstance prompting chemical change
  • solutionAnswer or liquid mixture

concentration · purity · mixture · suspension · colloid · emulsion · precipitate · residue · extract · distillate

composition

element

Basic substance or factor

formula · structure · bonding · valence · covalent · ionic · proton · neutron · electron · stoichiometry

hazard

toxic

Capable of causing harm

corrosive · flammable · reactive · mutagenic · irritant · caustic · volatile · explosive · oxidizer · warning

pharmaceutical

drug

Active chemical compound

dosage · antibiotic · vaccine · analgesic · steroid · insulin · antidepressant · opioid · sedative · chemotherapy

biochemical

enzyme

Protein that hastens reactions

cofactor · inhibitor · receptor · hormone · neurotransmitter · peptide · lipid · carbohydrate · nucleotide · ATP

industrial

factory

Industrial production facility

production · processing · distillation · catalysis · engineering · polymerization · synthesis · reactor · pipeline · storage

synthetic

polymer

Large repeated-unit molecule

PVC · acrylic · silicone · polyester · polypropylene · polystyrene · resin · rubber · elastomer · fiber

Categories
Opposites
natural vs. synthetic origin

chemicalnatural

Not artificially produced

organic · all-natural · chemical-free · herbal · plant-based

physical vs. chemical processes

chemicalphysical

Of body or matter

mechanical · nonchemical · thermal · electrical · nuclear

biological vs. chemical mechanisms

chemicalbiological

Relating to living organisms

organic · physiological · living · biotic · biochemical

Phrases
Family

chemical restraint, chemicals, chemically, biochemical, alchemical, petrochemical, chemical weapon, agrochemical, photochemical

Familiarity
Top 10,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G