| ChemID | Chemical Identification; Chemical Identification File |
|---|---|
| CW | cardiac work; case work; cell wall; chemical warfare; chemical weapon; chest wall; children's ward; ... |
| E0 | electric affinity |
| EA | early antigen; educational age; egg albumin; electric affinity; electrical activity; electroacupunct... |
| EAQ | eudismic affinity quotient |