| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Bismuth telluride | Electrical Engineering | A thermoelectric compound semiconductor, consisting of bismuth atoms forming a hexagonal close-packed crystal with tellurium atoms that occupy two types of site, having covalent ionic bonding and weak van der Waals bonding respectively. Source: European Union. (references) | |
| Bismuth telluride | Mining | Bi2 Te2 S; hexagonal rhombohedral; gray; and a thermoelectric material. Because it loses its semiconducting properties above 100 degrees C, it is of value chiefly in cooling devices. Also called bismuth tritelluride. Syn: tetradymite. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||