also: びレそん
not completely unthinkable; not impossible
Internet slang abbreviation of 微粒子レベルで存在している (exists at the subatomic particle level). Used humorously to say something is extremely unlikely but not absolutely zero. Often appears in the pattern 可能性が微レ存.
The possibility that he won't be late is not completely unthinkable.
There's a tiny, almost nonexistent chance of winning the lottery.
Standard internet slang spelling; the レ is a katakana abbreviation of 粒子.
Alternate kana spelling with そ instead of ぞ.
Internet slang abbreviation of 微粒子レベルで存在している (exists at the subatomic particle level). The レ is a katakana abbreviation of 粒 (りゅう) from 粒子.