| drug precursor(noun, expression, herald, harbinger, forerunner) |
| dye precursor(noun, expression, herald, harbinger, forerunner) |
| earthquake precursor(noun, expression, herald, harbinger, forerunner) |
| effective precursor(noun, expression, herald, harbinger, forerunner) |
| efficient precursor(noun, expression, herald, harbinger, forerunner) |
| elastic precursor(noun, expression, herald, harbinger, forerunner) |
| enzyme precursor(noun, expression, herald, harbinger, forerunner) |
| explosives precursor(noun, expression, herald, harbinger, forerunner) |
| flavor precursor(noun, expression, herald, harbinger, forerunner) |
| foreboding precursor(noun, expression, herald, harbinger, forerunner) |
| gas-phase precursor(noun, expression, herald, harbinger, forerunner) |
| gaseous organic precursor(noun, expression, herald, harbinger, forerunner) |
| glass precursor reactant(noun, expression, herald, harbinger, forerunner) |
| gluconeogenic precursor(noun, expression, herald, harbinger, forerunner) |
| granulocyte-monocyte precursor cell(noun, expression, herald, harbinger, forerunner) |
| granulocyte precursor(noun, expression, herald, harbinger, forerunner) |
| granulocytic-macrophagal precursor(noun, expression, herald, harbinger, forerunner) |
| hair precursor(noun, expression, herald, harbinger, forerunner) |
| hematopoietic precursor(noun, expression, herald, harbinger, forerunner) |
| high organic group content precursor(noun, expression, herald, harbinger, forerunner) |