Phrase guide

Portland cement

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A finely-ground powder made by heating and pulverizing limestone and clay.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Alternative letter-case form of Portland cement.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a cement that hardens under water; made by heating limestone and clay in a kiln and pulverizing the result

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hydraulic cement

Antonyms: none provided

Broader terms: cement

History

Etymology

From its resemblance to limestone from Portland in Dorset.

Across languages

Translations

2 source translations are retained for this English entry.

  • Catalan: pòrtland — cement made by heating and pulverizing limestone and clay
  • Portuguese: cimento Portland — cement made by heating and pulverizing limestone and clay