Origin of ascertain
OTHER WORDS FROM ascertain
How to use ascertain in a sentence
To which of these classes the Loucheux belongs, has hitherto been unascertained.Opuscula|Robert Gordon Latham
A gum-resin derived from an unascertained umbelliferous plant.
This is the "plus x" of the formula, which, unascertained, gives us little light as to the result.To Cuba and Back|Richard Henry Dana
It were often better that he had an ascertained master, instead of an irresponsible and unascertained one.Cannibals all!|George Fitzhugh
But the city was entirely constructed by the Romans, though at what precise period is still unascertained.The Two First Centuries of Florentine History|Pasquale Villari