astrometric binary

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noun Astronomy.

a binary star that can be recognized as such because of its undulating proper motion.

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Origin of astrometric binary

First recorded in 1975–80

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

There was a lot of positive feedback from people interested in non-gender binary people.
Grindr’s Trans Dating Problem|David Levesley|January 9, 2015|DAILY BEAST
And it is difficult to object to same-sex marriage when so many binary-defying unions have already taken place.
Intersexuality and God Through the Ages|Candida Moss|November 9, 2014|DAILY BEAST
And this, in turn, reinforced the religious vision of a God-given binary.
Intersexuality and God Through the Ages|Candida Moss|November 9, 2014|DAILY BEAST
She acts as a sort of lie detector, but proceeds through elegant narrative rather than binary test.
Wonder Woman’s Creation Story Is Wilder Than You Could Ever Imagine|Tom Arnold-Forster|November 3, 2014|DAILY BEAST

A little astronomical forensics suggests that these objects used to be a binary: two stars in mutual orbit.
The Weirdest Object in the Universe|Matthew R. Francis|May 18, 2014|DAILY BEAST
On this principle is founded the admirable binary nomenclature of botany and zoology.
A System of Logic: Ratiocinative and Inductive|John Stuart Mill
This is illustrated by the two cylinders of the compound engine and by the duplication noticed in the binary engine.
A History of the Growth of the Steam-Engine|Robert H. Thurston
The family system is a combination of the solar and the binary systems.
A New Atmosphere|Gail Hamilton
Binary or multiple stars, which are extraordinarily numerous.
Climatic Changes|Ellsworth Huntington
Sonata-form, as will be shown later on, has been evolved from old binary form.
The Pianoforte Sonata|J.S. Shedlock

astrometric binary

[ ăs′trə-mĕt′rĭk ]

See under binary star.