Phrase guide

line graph

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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1

noun

Meaning 1

A graph in which a series of connected straight lines connect points, each of which represents the value of a particular variable as a function of another variable.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: line chart

Antonyms: none provided

2

noun

Meaning 2

A graph L(G) which is derived from a given non-oriented graph G such that the vertices of L(G) represent edges of G and so that a clique in L(G) represents a common end-vertex shared by a set of represented edges. (A star subgraph in G transforms into a clique in L(G).)

Definition source: English Wiktionary via Wiktextract

Topics: graph-theory, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A graph L(G) which is derived from a given non-oriented graph G such that the vertices of L(G) represent edges of G and so that a clique in L(G) represents a common end-vertex shared by a set of represented edges. (A star subgraph in G transforms into a clique in L(G).)

A graph which is the line graph (in the above sense) of some other graph.

Definition source: English Wiktionary via Wiktextract

Topics: graph-theory, mathematics, sciences

Examples

  • Suppose that a graph G has vertices A, B, C, and D such that A is adjacent to each of B, C, and D, but {B, C, D} is an independent set. Then G cannot be a line graph.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

18 source translations are retained for this English entry.

  • Catalan: diagrama de punts i línies — line chart
  • Chinese Mandarin: 折線圖 /折线图 (zhéxiàntú) — line chart
  • Chinese Mandarin: 線形圖 /线形图 (xiànxíngtú) — line chart
  • Dutch: lijndiagram — line chart
  • Dutch: lijngrafiek — line chart
  • German: Liniendiagramm — line chart
  • Japanese: 折れ線グラフ (oresen-gurafu) — line chart
  • Korean: 꺾은선 그래프 (kkeokkeunseon geuraepeu) — line chart
  • Portuguese: gráfico de linha — line chart
  • Swedish: linjediagram — line chart
  • Chinese Mandarin: 線圖 /线图 (xiàntú) — graph L(G)...
  • French: line graph — graph L(G)...
  • French: graphe adjoint — graph L(G)...
  • German: Kantengraph — graph L(G)...
  • Spanish: grafo línea — graph L(G)...
  • Spanish: grafo de línea — graph L(G)...
  • Spanish: grafo lineal — graph L(G)...
  • Spanish: grafo representativo — graph L(G)...