|
|
co·balt
 cobalt
|
|
- pronunciation:
- ko
bawlt
- features:
- Word Combinations (noun), Word Explorer
| part of speech: |
noun |
| definition: |
a chemical element that has twenty-seven protons in each nucleus and occurs as a brittle silver-white solid metal, used in a variety of alloys to increase hardness. (symbol: Co)
|
|
|
|
|
|
|