1821, "pertaining to an (astronomical) nebula or nebulae," from nebula + -ar.
the nebular hypothesis of the origin of the solar system
nebbish
*nebh-
Nebraska
Nebuchadnezzar
nebula
nebular
nebulizer
nebulosity
nebulous
necessarily
necessary
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}