sulphide

«sulphide» in Mova's school dictionary: a chemical compound made of sulphur joined with another… — its meaning for a pupil, its sense in the lessons and examples.

part of speech

noun (a sulphide, sulphides); (US spelling: sulfide)

meaning for a pupil

1) (science) A sulphide is a chemical compound made of sulphur joined with another element, often a metal. tree →

2) Hydrogen sulphide is a gas that smells of rotten eggs. tree →

sense in the lessons

In science lessons sulphides are important ores: iron sulphide (fool's gold, pyrite), lead sulphide (galena) and zinc sulphide; metals are extracted from them. In safety lessons hydrogen sulphide from drains and volcanoes is smelly and poisonous in large amounts. Phrases: iron sulphide, hydrogen sulphide, copper sulphide.

examples

• Pyrite, or fool's gold, is iron sulphide. tree →
• The rotten-egg smell came from hydrogen sulphide. tree →
• When we heated iron and sulphur, they made iron sulphide. tree →
• Galena is a shiny grey lead sulphide ore. tree →
• Volcanoes give off hydrogen sulphide gas. tree →
• Silver turns black when it reacts with sulphides in the air. tree →
• Miners dug up copper sulphide to get copper. tree →

note

UK spelling sulphide, US and international science spelling sulfide; both are correct. Do not confuse with sulphate (sulphur and oxygen with another element). Names ending in «-ide» usually mean only two elements.

Trees and pragmatics

Every meaning and example of «sulphide» parsed by Mova, each sentence with its dependency tree and frames.