[1950–55; circum- + stellar]This word is first recorded in the period 1950–55. Other words that entered Englishat around the same time include: Common Market, bleep, drip-dry, point-of-sale, speech recognitioncircum- is a prefix with the meaning “round about, around,” found in Latin loanwords, esp.derivatives of verbs that had the general senses “to encompass or surround” (circumference; circumjacent; circumstance) or “to go around” by the means or in the manner specified by the verb (circumnavigate; circumscribe)
Examples of 'circumstellar' in a sentence
circumstellar
The spectrum shows many circumstellar lines formed in the multiple expanding shells.
Kipper Tõnu 2013, 'Optical Spectroscopy of a post-AGB star HD 187885', Open Astronomyhttp://www.degruyter.com/view/j/astro.2013.22.issue-4/astro-2017-0161/astro-2017-0161.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Our results favor the hypothesis of the circumstellar nature of reddening excess.
Maryeva O. V., Chentsov E. L., Goranskij V. P., Karpov S. V. 2016, 'Analysis of Interstellar Extinction towards the Hypergiant Cyg OB2 No. 12', Open Astronomyhttp://www.degruyter.com/view/j/astro.2016.25.issue-1/astro-2017-0108/astro-2017-0108.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Planets are assumed to form in circumstellar discs around young stellar objects.
Uribe Ana L., Wolf Sebastian, Ruge Jan Philipp, Klahr Hubert H. 2013, 'Tracing Planets in Circumstellar Discs', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/20134602003. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Over 160 molecular species, not counting isotopologues, have been identified in circumstellar envelopes and interstellar clouds.
Guélin M. 2012, 'Observational astrochemistry: The quest for interstellar molecules', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/20111801002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The circumstellar material partially ionized by the hot star, represents an ideal medium for processes of scattering.
M. Sekeráš, A. Skopal 2015, 'Diagnostic of the Symbiotic Stars Environment by Thomson, Raman and Rayleigh ScatteringProcesses', Acta Polytechnica CTU Proceedingshttps://ojs.cvut.cz/ojs/index.php/APP/article/view/2927. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)