silicate
Silicate (noun) means any salt of silica or of a silicic acid, or any mineral made up of such salts. Example: “Most of the rocks in the Earth's crust are made of silicates.”
How to use silicate
Learner’s notesIn plain EnglishA chemical compound or mineral based on silica.
It is a technical word used in chemistry and geology.
Do not confuse silicate with silicon, which is the element, whereas a silicate is a compound containing it.
Trace the full origin ↓Fill the gap
Can you complete this real example?
Most of the rocks in the Earth's crust are made of _____.
Etymology
The word was formed in English from silicic acid and the suffix -ate, which marks a salt or ester.