Phrase guide

unit cell

noun · 2 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

The smallest repeating structure (parallelepiped) of atoms within a crystal, from which the structure of the complete crystal can be inferred.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, crystallography, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the smallest group of atoms or molecules whose repetition at regular intervals in three dimensions produces the lattices of a crystal

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: unit, building block

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Finnish: alkeiskoppi — smallest repeating structure in crystal
  • Finnish: yksikkökoppi — smallest repeating structure in crystal
  • Galician: cela unidade — smallest repeating structure in crystal
  • Italian: cella elementare — smallest repeating structure in crystal
  • Polish: komórka elementarna — smallest repeating structure in crystal
  • Spanish: celda unidad — smallest repeating structure in crystal