Glossary

Chemical Equipment Operator Terms & Vocabulary

15 essential chemical equipment operator terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.

Updated By the Career Education Institute Curriculum Team
Key chemical equipment operator vocabulary

These 15 terms come up constantly in chemical equipment operator training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.

Batch record
Documentation of a batch.
Charge
Adding materials.
DCS
Distributed control system.
Exotherm
Heat-releasing reaction.
GMP
Good manufacturing practice.
Inerting
Using nitrogen to prevent fire.
Lockout/tagout
Energy isolation.
Off-spec
Out of specification.
P&ID
Piping and instrumentation diagram.
Relief valve
Prevents overpressure.
Rounds
Scheduled equipment checks.
Sample point
Where samples are taken.
SOP
Standard operating procedure.
Spec
Required quality.
Transfer
Moving product.

Practice these terms

Test yourself with the free Chemical Equipment Operator practice test: it includes vocabulary questions built from this list. For a complete course, see Chemical Equipment Operator training.

Browse terms from every career in our career glossary.

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