S U S T A I N A B L E T E C H N O L O G Y E D U C A T I O N P R O J E C T
| 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 | |
| acacia | a tree with yellow or white flowers which produces a sticky gum used in cosmetic manufacture |
| acetone | a strong-smelling colourless liquid |
| acid | a chemical substance. An acid has a pH value less than 7 and turns litmus paper to a red colour |
| acrylic | a man-made material |
| additive | a substance added to food to give it a particular quality |
| AIDS | (Acquired Immune Deficiency Syndrome) a fatal condition caused by a virus which leaves the patient unable to fight new infections |
| alkali | a chemical substance. An alkali has a pH above 7 and turns litmus paper blue. It is soluble in water, neutralizes acids and forms salts with them |
| alloy | a substance that is a mixture of two or more metals or of a metal with a non-metallic material |
| antibiotics | chemical compounds used to kill or inhibit the growth of bacteria |
| apartheid | discrimination based on race and the colour of skin. Until 1991 the White government of South Africa ran a system of apartheid whereby Black people were given less access to employment, health and education and were kept separate from the White population |
| appropriate technology | a tool or way of doing things that helps people to carry out their tasks quickly and easily with limited impact on the local environment and resources |
| arable | land that is suitable for growing crops |
| artificial colouring | a food colouring that doesn't occur naturally |
| Ashanti | the Ashanti Region (previously known as The Ashanti Kingdom) is a large area in central Ghana |
| auxiliary | extra or additional |
What is sustainability? 