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Glos·sa·ry

A list of generally uncommon words with their definitions.

We have put together a glossary of terms from the aquatics industry. Use this glossary as a resource for learning or just to refresh your memory. The search area below will allow you to find out more information about a process, piece of equipment and more!

Search for terms

Like dehydration, rescue, hypothermia or AED.
Or view the entire glossary.

Term of the day

Variance

Also known as:
Synonyms coming soon

Written approval to modify any National Pool and Waterpark Lifeguard Training Program or Ellis & Associates, Inc. policy or procedure.

Hand-picked favorites

Not sure where to start? Pick one of our hand-picked favorites.

We find these terms to be a little less common while still holding their importance in the aquatics industry.

You can also help us build our aquatics term library by submitting your own term below and we will inform you when it's posted.

Automated external defibrillator (AED)

Automated External Defibrillator (AED)

Also known as:
Synonyms coming soon

A device that analyzes the heart's rhythm and signals the need to administer an electric shock (defibrillation) to a patient in cardiac arrest.

Coccyx

Also known as:
Synonyms coming soon

The tailbone and last 3 to 4 vertebrae of the spine.

Share your knowledge

Did we miss a term?

Help us build our glossary by submitting your aquatics-related term. Include your own definition or we will help define the term and inform you when it is posted.

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Featured aquatic terms

Respiratory Arrest

Also known as:
Synonyms coming soon

When breathing suddenly stops.

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Inservice

Also known as:
Synonyms coming soon

Training received after obtaining a lifeguard license and becoming employed at an aquatic facility.

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Dry Drowning

Also known as:
Synonyms coming soon

Asphyxiation, or suffocation, resulting from a laryngospasm. Water droplets irritate the epiglottis, which closes over the glottis preventing air from entering the air passage; there is no water in the victim's lungs.

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