Contaminant

2 topics · 2 sources

Food Biotechnology

1. An undesired chemical present in a compound or mixture of compounds. 2. Any micro-organism accidentally introduced into a culture or culture medium. The contaminant may compete with the desired cells and consequently inhibit their growth, or totally replace them.

UN Food and Agriculture Organization — Glossary of Biotechnology for Food and Agriculture

Science

Water

A potentially harmful physical, biological, chemical or radiological substance in water. Any physical chemical, biological, or radiological substance or matter that has an adverse effect on air, water, or soil.

Bureau of Reclamation — Bureau of Reclamation Glossary