PLANETESIMAL


Meaning of PLANETESIMAL in English

ˌplanəˈtesəməl noun

( -s )

Etymology: planet + -esimal (as in infinitesimal )

: one of numerous small solid heavenly bodies of undetermined characteristics that may have existed at an early stage of the development of the solar system

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.