Standard Lemma guide

eyepiece

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

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.

  • CMU ARPABET: AY1 P IY2 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The lens (or the component containing a combination of lenses) at the eye end of a microscope or telescope by which the image is viewed.

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

combination of lenses at the viewing end of optical instruments

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: ocular

Antonyms: none provided

Broader terms: lens, lense, lens system

History

Etymology

From eye + piece.

Across languages

Translations

20 source translations are retained for this English entry.

  • Bulgarian: окуляр (okuljar) — lens or combination of lens
  • Chinese Mandarin: 目鏡 /目镜 (mùjìng) — lens or combination of lens
  • Chinese Mandarin: 接目鏡 /接目镜 (jiēmùjìng) — lens or combination of lens
  • Czech: okulár — lens or combination of lens
  • Dutch: oculair — lens or combination of lens
  • Finnish: okulaari — lens or combination of lens
  • French: oculaire — lens or combination of lens
  • Georgian: ოკულარი (oḳulari) — lens or combination of lens
  • Georgian: თვალისა (tvalisa) — lens or combination of lens
  • German: Okular — lens or combination of lens
  • Japanese: 接眼レンズ (setsugan-renzu) — lens or combination of lens
  • Macedonian: гледало (gledalo) — lens or combination of lens
  • Polish: okular — lens or combination of lens
  • Portuguese: ocular — lens or combination of lens
  • Romanian: ocular — lens or combination of lens
  • Russian: окуляр (okuljar) — lens or combination of lens
  • Spanish: ocular — lens or combination of lens
  • Swedish: okular — lens or combination of lens
  • Turkish: mercek — lens or combination of lens
  • Turkish: oküler — lens or combination of lens