Graphology - the study of handwritings; autograph - written with one's own hand; seismograph - a machine noting strength and duration of earthquakes. marina - a harbor for pleasure boats; maritime - relating to the sea; submarine - an undersea boat; aquamarine - color of sea water.
Chemicals are classified into various hazard classifications in accordance with their physiochemical properties and health hazards. Each class of chemical has a pictorial symbol called a danger symbol.
The adjective CHEMICAL has 2 senses: 1. relating to or used in chemistry. 2. of or made from or using substances produced by or used in reactions involving atomic or molecular changes. Familiarity information: CHEMICAL used as an adjective is rare.