See focal plane in All languages combined, or Wiktionary
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"Any plane perpendicular to the axis of a lens or mirror."
],
"id": "en-focal_plane-en-noun-oGv2DANs",
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"(optics) Any plane perpendicular to the axis of a lens or mirror."
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"Such a plane, in a camera, microscope etc, in which the real image is in focus."
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"(optics) Such a plane, in a camera, microscope etc, in which the real image is in focus."
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"(optics) Any plane perpendicular to the axis of a lens or mirror."
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Download raw JSONL data for focal plane meaning in English (1.3kB)
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-12-08 from the enwiktionary dump dated 2024-12-04 using wiktextract (bb46d54 and 0c3c9f6). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.