Standard Lemma guide

L2

noun · 4 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

A second language (a language being learned, as opposed to a mother tongue).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Abbreviation of Lagrange point 2, located beyond the smaller object on a line passing through the centers of the smaller and larger objects.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: astrophysics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Short for second level in various contexts

The second-level cache of a processor, farther away from the processor than the first level cache.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

Examples

  • In typical Intel chips L2 bandwidth is half of L1 bandwidth.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Short for second level in various contexts

The data link layer in the seven layer OSI network model.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: computing, engineering, mathematics, natural-sciences, networking, physical-sciences, sciences

Examples

  • an L2 switch

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Level 2.

Across languages

Translations

3 source translations are retained for this English entry.

  • French: L2 — Translations
  • German: L2 — Translations
  • Japanese: L2 (L2) — Translations