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optical double star

op·ti·cal dou·ble star
O o

Transcription

    • US Pronunciation
    • US IPA
    • [op-ti-kuh l duhb-uh l stahr]
    • /ˈɒp tɪ kəl ˈdʌb əl stɑr/
    • US Pronunciation
    • US IPA
    • [op-ti-kuh l duhb-uh l stahr]
    • /ˈɒp tɪ kəl ˈdʌb əl stɑr/

Definitions of optical double star words

  • noun optical double star two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star) 1
  • noun optical double star two stars that appear close together when viewed through a telescope but are not physically associated and are often separated by a great distance 0

Information block about the term

Origin of optical double star

First appearance:

before 1775
One of the 45% newest English words
First recorded in 1775-85

Historical Comparancy

Parts of speech for Optical double star

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

optical double star popularity

This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

optical double star usage trend in Literature

This diagram is provided by Google Ngram Viewer

See also

Matching words

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