sodium silicate: meaning, definition, pronunciation and examples

low
UK/ˈsəʊ.di.əm ˈsɪl.ɪ.keɪt/US/ˈsoʊ.di.əm ˈsɪl.ɪ.keɪt/

technical/scientific

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Quick answer

What does “sodium silicate” mean?

A chemical compound consisting of sodium oxide and silica, often found in a glassy or soluble form.

Audio

Pronunciation

Definition

Meaning and Definition

A chemical compound consisting of sodium oxide and silica, often found in a glassy or soluble form.

A versatile industrial chemical with applications as a binder, adhesive, sealant, detergent builder, and in water treatment. Commonly known as 'water glass' in its aqueous solution form.

Dialectal Variation

British vs American Usage

Differences

No significant lexical or spelling differences. Minor pronunciation variations exist (e.g., the first vowel in 'sodium').

Connotations

Identical technical connotations in both varieties.

Frequency

Equally low-frequency in general discourse but standard in chemical and industrial fields in both regions.

Grammar

How to Use “sodium silicate” in a Sentence

Sodium silicate is used as [noun phrase]Sodium silicate acts as [noun phrase]The process involves sodium silicateThe compound contains sodium silicate

Vocabulary

Collocations

strong
aqueous sodium silicatesodium silicate solutionsodium silicate binderliquid sodium silicate
medium
produce sodium silicateapplication of sodium silicatesodium silicate cementsodium silicate adhesive
weak
buy sodium silicatemix with sodium silicateadd sodium silicate

Usage

Meaning in Context

Business

Discussed in procurement, supply chain, and manufacturing cost contexts within industries like detergents, foundries, and construction materials.

Academic

A standard term in chemistry, materials science, and chemical engineering papers and textbooks for discussing silicate chemistry and industrial processes.

Everyday

Virtually never used in everyday conversation outside specific DIY or craft contexts (e.g., egg preservation, pottery).

Technical

The primary register. Used precisely in formulation sheets, industrial process descriptions, material safety data sheets (MSDS), and research.

Vocabulary

Synonyms of “sodium silicate”

Weak

soluble glasssilicate of soda

Watch out

Common Mistakes When Using “sodium silicate”

  • Misspelling as 'sodium silicate' (incorrect spacing).
  • Confusing it with calcium silicate or other metal silicates.
  • Mispronouncing 'silicate' with a /ʃ/ sound (like 'sh') instead of /s/.

FAQ

Frequently Asked Questions

In its concentrated form, sodium silicate solution is alkaline and can be irritating to skin and eyes. It should be handled with appropriate precautions, as indicated on its Safety Data Sheet (SDS).

It has numerous uses, including as a binder in cardboard and ceramics, a deflocculant in ceramics, a concrete sealer, a detergent builder, in water treatment, and in passive fire protection.

It is not recommended due to the high temperatures and corrosive chemicals (like sodium hydroxide and silica) required. It is an industrial process best left to professionals.

Because its aqueous solution dries to form a hard, glass-like, transparent solid. The name references its physical properties rather than its chemical composition.

A chemical compound consisting of sodium oxide and silica, often found in a glassy or soluble form.

Sodium silicate is usually technical/scientific in register.

Sodium silicate: in British English it is pronounced /ˈsəʊ.di.əm ˈsɪl.ɪ.keɪt/, and in American English it is pronounced /ˈsoʊ.di.əm ˈsɪl.ɪ.keɪt/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think of 'SODIUM' (like table salt's relative) making 'SILICATE' (like glass/sand) soluble, forming 'water glass'.

Conceptual Metaphor

Often framed as a 'glue' or 'binder' in industrial processes, conceptually linking its adhesive properties to more common substances.

Practice

Quiz

Fill in the gap
In many industrial adhesives, acts as an effective and inexpensive binder.
Multiple Choice

What is a common, non-technical synonym for sodium silicate?