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# 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 →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#m1)

2) Hydrogen sulphide is a gas that smells of rotten eggs. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#m2)

### 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 →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#x1)
- The rotten-egg smell came from hydrogen sulphide. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#x2)
- When we heated iron and sulphur, they made iron sulphide. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#x3)
- Galena is a shiny grey lead sulphide ore. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#x4)
- Volcanoes give off hydrogen sulphide gas. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#x5)
- Silver turns black when it reacts with sulphides in the air. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#x6)
- Miners dug up copper sulphide to get copper. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/#x7)

### 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](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/sulphide/), each sentence with its dependency tree and frames.