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
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