Skip to main content

Contains terms and definitions used in the reference book, the project and the structure of the Ontology.


Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

O

Object

Entity that can be recognised as a whole.

Objective

Target of a project.

Organigrams

Tools used to show the categorisation of stakeholders and their inter-responsibilities.

Outfall

Final length of pipeline from which sewerage is discharged to a treatment works or receiving water.

Overflow

The intentional or unintentional discharge of sewage to the environment prior to treatment.