Definition of "univocal"

There were, he argued, some words, such as ‘fat’ or ‘exhausted’, that could not apply to God, but if such terms as ‘being’, ‘goodness’ or ‘wisdom’ were not univocal of God and creatures, ‘one could not naturally have any concept of God – which is false.’

1999, Karen Armstrong, The Case for God, Vintage, published 2010, page 146

Eunoia is a univocal lipogram — an anomalous narrative, in which each vowel appears by itself in its own chapter, telling a story in its own voice.

2000, Gail Scott, Robert Glück, Camille Roy, Biting the Error: Writers Explore Narrative

I read through the dictionary five times to extract an extensive lexicon of univocal words containing only one of the five vowels.

2002, Brick, numbers 69-70, page 118

The book's main conceit is to make poetry from univocal words (words containing just one vowel) […]

2012, Lauren Elkin, Scott Esposito, The End of Oulipo?: An attempt to exhaust a movement

But I am much pleased at the repetition of the divine favour to you in the like instances; that God hath given you another testimony of his love to your person, and care of your family ; it is an engagement to you of new degrees of duty, which you cannot but superadde to the former, because the principle is genuine and prolific, and all the emanations of grace are univocal and alike.

1657, Jeremy Taylor, Evelyn Memoirs, volume II, page 119

It is not indeed impossible, that from the sperm of a cock, hen, or other animal, being once in putrescence, either from incubation or otherwise, some generation may ensue; not univocal and of the same species, but some imperfect or monstrous production […]

1890, Sir Thomas Browne, The Works of Sir Thomas Browne, volume I, London: George Bell and Sons, page 258

There is no blessed soul goes to heaven but he makes a general joy in all the mansions where the saints do dwell, and in all the chapels where the angels sing ; and the joys of religion are not univocal, but productive of rare and accidental and preternatural pleasures ; for the music of holy hymns delights the ear and refreshes the spirit, and makes the very bones of the saints to rejoice.

1651–1653, Jer[emy] Taylor, ΕΝΙΑΥΤΟΣ [Eniautos]. A Course of Sermons for All the Sundays of the Year. […], 2nd edition, London: […] Richard Royston […], published 1655

The univocal is by no means the preserve of the nineteenth century. Georges Perec's 1972 novella Les revenentes complemented his earlier lipogrammatic work by being a univocalic piece in which the letter e is the only vowel used.

2015, Gyles Brandreth, Word Play