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

> as lemmas

protocloud

protocloud n.

Brit.

/ˈprəʊtə(ʊ)klaʊd/

U.S.

/ˈproʊdoʊˌklaʊd/

/ˈproʊdəˌklaʊd/

Astronomy a mass of gas and dust from which a galaxy is thought to develop; a protogalaxy.

ΘΚΠ

the world > the universe > constellation > galaxy > [noun] > protogalaxy

protocluster1953

protogalaxy1953

protocloud1970

1970 Nature 31 Oct. 412/1 A protocloud formed at that time would initially expand with the Universe, but at a reduced rate.

1988 Monthly Notices Royal Astron. Soc. 233 867 Heavy elements in the protocloud are locked up in dust grains.

2001 P. Coles Routledge Compan. New Cosmol. ii. 336 This led to two distinct scenarios for structure formation [in the Universe]: 1. The adiabatic scenario... 2. The isothermal scenario, in which the first structures, protoclouds or protogalaxies, are formed on a much smaller mass scale.

extracted from proto-comb. form

as lemmas

单词	protocloud
释义	> as lemmas protocloud protocloud n. Brit. /ˈprəʊtə(ʊ)klaʊd/ , U.S. /ˈproʊdoʊˌklaʊd/ , /ˈproʊdəˌklaʊd/ Astronomy a mass of gas and dust from which a galaxy is thought to develop; a protogalaxy. ΘΚΠ the world > the universe > constellation > galaxy > [noun] > protogalaxy protocluster1953 protogalaxy1953 protocloud1970 1970 Nature 31 Oct. 412/1 A protocloud formed at that time would initially expand with the Universe, but at a reduced rate. 1988 Monthly Notices Royal Astron. Soc. 233 867 Heavy elements in the protocloud are locked up in dust grains. 2001 P. Coles Routledge Compan. New Cosmol. ii. 336 This led to two distinct scenarios for structure formation [in the Universe]: 1. The adiabatic scenario... 2. The isothermal scenario, in which the first structures, protoclouds or protogalaxies, are formed on a much smaller mass scale. extracted from proto-comb. form < as lemmas
随便看	go out of one's mind go out of one's way go out of one's way to do something go out of the stable go out of the window go out of this world go out of use go out on strike go out the window go out to fight go out with a bang go over go over a person's head go over big go over like a lead balloon go over the falls go over the heckle pins go over the left shoulder go over the score go over the top go over the wall go over to rome go overboard go partners go pass out of use