Third-person singular simple present indicative form of maturate.(verb)
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Use "maturating" in a sentence
"A few pustules now appeared, the greater part of which went away without maturating."
"I have mentioned (the one from the inoculated, the other from the casual, cow-pox) a few red spots appeared, which quickly went off without maturating."
"From comparing my own cases with some transmitted to me by Dr. Pearson and Dr. Woodville, this appears to be the fact; and what strikes me as still more extraordinary with respect to those inoculated in London is the appearance of maturating eruptions, In the two instances only which"