The Collaborative International Dictionary
Cometary \Com"et*a*ry\, a. [Cf. F. com['e]taire.]
Pertaining to, or resembling, a comet.
--Cheyne.
Wiktionary
a. (context lang=en astronomy) relating to comets
WordNet
adj. of or relating to or resembling a comet [syn: cometic]
Usage examples of "cometary".
If it had been able to complete its skim around the sun, it would have soared back out to the cometary cloud, quickly cooling, the lovely coma and tail dispersing into the dark, to resume its aeonic dreaming.
The image grew in him: a fireball twenty meters across, shimmering white, red, gold, royal blue, flames dancing like Medusa locks, cometary tail burning for a hundred meters behind, a shiningness, a glory, a piece of hell.
We have a team of black hole engineers already in place in its cometary halo.
The giant trees, bioengineered to live in a vacuum, subsisted on the water, carbon, and nitrogen of cometary ice and in the absence of significant gravity grew to immense size.
There were a few larger structures among all the plastic huts and frosted bulges a multitiered branch of the Bank of Neptune, a highrise hotel called the Ice Palace, a tremendous igloo bearing the crystalline logo of the interplanetary ice consortium, a massive cube made out of giant logs that could only be the headquarters of Cometary Lumber Multicorp.
As late as 1988 more than half of all American paleontologists contacted in a survey continued to believe that the extinction of the dinosaurs was in no way related to an asteroid or cometary impact.
Council was divided on ordering the destruction of the cometary object.
Halcyon Bird, Bob Star watched Pluto approach the pallid ellipse of the cometary object.
One of the white spheres remained on guard beyond the grille, but none of the cometary beings came into the hold.
Perfected since the cometary war to replace the lighter proton pistols that had served so long, it projected an intense jet of nucleonic bullets far swifter and more deadly than any solid projectile.
I doubt that he would ever have finished it at all, but for the bitter straits of mankind hi the cometary war.
Okay, okay, maybe the cometary minds already own most of the real estate, but we can work something out.
He made a gesture of reined-in impatience at the bleak cometary landscape outside the windows.
At first, all she saw was a huge lump of cometary ice, black-crusted over glacial-blue gleaming.
It dates from the day this ship first broke free of the L5 position and went into cometary orbit.