siriometers
siriometers is the plural of siriometer.
Meaning of siriometer
Noun
siriometer (plural siriometers)
- A unit of distance equal to one million astronomical units or 15.813 light-years.
- The siriometer dates its pedigree from the founder of stellar astronomy, William Herschel. As is well known, the distance unit used by Herschel is the mean distance of the first magnitude stars, which distance was called by him the distance of Sirius.1925, The Observatory, volume 48, page 143
Questions about siriometers
- What is siriometers the plural of?
- Siriometers is the plural of siriometer.
Words near siriometers in the dictionary
Source and license
Adapted from Wiktionary: siriometers (page history and authors); siriometer (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “siriometers.” Word.ws, https://word.ws/siriometers. Based on Wiktionary, CC BY-SA 4.0.
