Definition of "indivisible"

one indivisible point of time

1695, C[harles] A[lphonse] du Fresnoy, translated by John Dryden, De Arte Graphica. The Art of Painting, […], London: […] J[ohn] Heptinstall for W. Rogers, […]

Although the mainland and Taiwan are yet to be reunited, they belong to one and same China, which is an indivisible whole.

2014 , Jinping Xi, “Handle Cross-Straits Relations in the Overall Interests of the Chinese Nation”, in The Governance of China‎, volume I, Beijing: Foreign Languages Press, page

By atom, nobody will imagine we intend to express a perfect indivisible, but only the least sort of natural bodies.

1644, Kenelm Digby, Two Treatises

The compoſition of Bodies, whether it be of Diviſibles or Indiviſibles, is a queſtion which must be rank'd with the Indiſſolvibles: For though it hath been attempted by the moſt illuſtrious Wits of all Philoſophick Ages; yet they have done little elſe, but ſhewn their own diviſions to be almoſt as infinite, as ſome ſuppoſe thoſe of their Subject.

1661, Joseph Glanvill, chapter V, in The Vanity of Dogmatizing: Or Confidence in Opinions. […], London: […] E. C[otes] for Henry Eversden […]; reprinted in The Vanity of Dogmatizing […] (Series III: Philosophy; 6), New York, N.Y.: For the Facsimile Text Society by Columbia University Press, 1931, page 53