nucleus 4
noundomain: natural obj.
Princeton WordNet [ver.3.1]
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EnglishDefinition
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
Hypernym
center 4
noun
a point equidistant from the ends of a line or the extremities of a figure
Part_meronym
comet 1
noun
(astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
Domain_of_synset_-_TOPIC
astronomy 1
noun
the branch of physics that studies celestial bodies and the universe as a whole
EnglishPart_holonym
comet 1
noun
(astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
Member_of_this_domain_-_TOPIC
astronomy 1
noun
the branch of physics that studies celestial bodies and the universe as a whole
