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Pronunciation varies by accent · noun
(science fiction) An astronomical body smaller than a planetoid, such as an asteroid or planetesimal..
I mean, the Fomalhauters weren't having enough problems with the repairs to their exhaust duct—their StarGrazer'd taken a hit from a rogue microplanetoid—then this earthbound yo-yo tries to put a goddam drift netter up their tailpipe.
The loose group of rocks, sand, random molecules, and microplanetoids known as the Hallelujah node was traveling in company around the Sun at a speed of eleven miles per second.
Around three hundred meters long and a little less than half as wide, the new shape was much smaller than the microplanetoid configuration.
Use microplanetoid when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Microplanetoid means (science fiction) An astronomical body smaller than a planetoid, such as an asteroid or planetesimal..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
I mean, the Fomalhauters weren't having enough problems with the repairs to their exhaust duct—their StarGrazer'd taken a hit from a rogue microplanetoid—then this earthbound yo-yo tries to put a goddam drift netter up their tailpipe.
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