Is this phrasing peculiar to american speakers or do british speakers use this expression too I hear and use this in ame frequently My sense is to imply a minuscule chance, a slim chance, a small chance etc. Except non is not an english word, it is a prefix of latin origin Which is why american style manuals will always ask you to merge it with the subsequent word, without a hyphen In expressions in which figures and abbreviations (or symbols.
You used the dash in the wrong place I might be tempted to create an open compound, but non doesn’t stand alone. Usage definitely favors the latter.
OPEN
