chemical reaction; generation of an unexpected result from combining things
chemical substances; chemicals
chemical experiment; chemistry experiment
synthetic fiber; synthetic fibre; chemical fiber; chemical fibre
chemical fertilizer; chemical fertiliser
chemistry laboratory; chemical laboratory
chemical seasoning (esp. monosodium glutamate)
chemical plant; chemical factory; chemical works
chemical symbols (for the elements)
chemical composition; chemical component
chemical structure; chemical constitution
from the chemical point of view
chemical structural formula
chemical protective clothing; hazmat suit
cosmo-chemistry; space science
computational chemistry (i.e. computer simulation of chemical phenomena); computer chemistry
femtosecond chemistry; femtochemistry
chemical oceanography; marine chemistry
oleochemistry; oil and fat chemistry