DictionarysulfurChemical element
noun

sulfur

SUL-fer/ˈsʌlfər/

A yellow nonmetallic chemical element with atomic number 16.

Pure sulfur is a yellow solid at room temperature.

Bright lemon-yellow sulfur chunks on a ceramic dish against a white background, natural mineral.
Etymology

Latin sulphur already named the element; its deeper origin is uncertain, though it probably comes from a root meaning “to burn.”

In context

Alexander Ayling43:50
we have made it to the heart of the volcano you can smell the sulfur there's actually sulfur just kind of like littered around on the ground here
CLIMBING MOUNT KILIMANJARO | FULL SUMMIT DOCUMENTARY

More examples

  • Manufacturers use sulfur to make sulfuric acid.
  • Adding sulfur helps harden rubber during tire production.
  • Yellow sulfur deposits form around some volcanic vents.

Forms

sulfurous adjective — Containing sulfur or compounds of sulfur.

Similar words

brimstone
An older name for sulfur, often used in religious language.