Assertion: mercury's effect | /r/Synonym | the pharaoh's serpent
Facets:
Source sentences:
text: It will produce a large, winding “snake” when ignited, an effect known as the Pharaoh's serpent.
text: Mercury thiocyanate was formerly used in pyrotechnics causing an effect known as the Pharaoh's serpent or Pharaoh's snake.
text: Mercury thiocyanate was formerly used in pyrotechnics causing an effect known as the Pharaoh's serpent or Pharaoh's snake.