英语词汇“presupernova”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

presupernova n.

Brit.

/ˌpriːsuːpəˈnəʊvə/

/ˌpriːsjuːpəˈnəʊvə/

/(ˌ)priːˈsuːpəˌnəʊvə/

/(ˌ)priːˈsjuːpəˌnəʊvə/

U.S.

/ˌpriˌsupərˈnoʊvə/

/ˌpriˈsupərˌnoʊvə/

Astronomy a star in the period or stage before it explodes as a supernova.

ΚΠ

1959 Physics & Chem. Earth 3 202 An equilibrium theory of element formation in the interiors of presupernovæ is one of the mechanisms currently believed responsible for nucleogenesis.

1988 Nature 21 Jan. 237/2 We suggest that such a star was indeed present as a binary companion to star 1 and was the actual presupernova.

1997 Science 30 May 1360/3 For rapid evolution as in a presupernova, or a supernova explosion itself, these conditions do not hold, and the spherical approximation fails.

单词	presupernova
释义	> as lemmas presupernova presupernova n. Brit. /ˌpriːsuːpəˈnəʊvə/ , /ˌpriːsjuːpəˈnəʊvə/ , /(ˌ)priːˈsuːpəˌnəʊvə/ , /(ˌ)priːˈsjuːpəˌnəʊvə/ , U.S. /ˌpriˌsupərˈnoʊvə/ , /ˌpriˈsupərˌnoʊvə/ Astronomy a star in the period or stage before it explodes as a supernova. ΚΠ 1959 Physics & Chem. Earth 3 202 An equilibrium theory of element formation in the interiors of presupernovæ is one of the mechanisms currently believed responsible for nucleogenesis. 1988 Nature 21 Jan. 237/2 We suggest that such a star was indeed present as a binary companion to star 1 and was the actual presupernova. 1997 Science 30 May 1360/3 For rapid evolution as in a presupernova, or a supernova explosion itself, these conditions do not hold, and the spherical approximation fails. extracted from pre-prefix < as lemmas
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> as lemmas