Glossary

A guide to acronyms (and abbreviations), words and phrases used throughout the Environment Canterbury website. Look in the 'By Subject' tab to find groups of terms relevant to a specific topic.

Some terms might have definitions in addition to those in this glossary.

Use the online Māori Dictionary to help with translating words between Te Reo Māori/English.

Ultra-low emission wood burner: a burner that under strict real-life operating conditions can meet an emissions and efficiency standard of 38 milligrams per megajoule or emits less than 0.5 grams of total suspended particulate per kilogram of fuel burned and has a thermal efficiency of 65 per cent or greater.

Unconfined aquifer: means an aquifer that lacks an overlying layer of fine sediment, and is not under pressure.

Unwanted organism: any organism that a chief technical officer believes is capable or potentially capable of causing unwanted harm to any natural resources (Biosecurity Act 1993).