pellucidityn.

1642 H. More Ψυχωδια Platonica sig. E Nor did 't take in through pellucidity The penetrating light.

1703 Philos. Trans. 1702–3 (Royal Soc.) 23 1332 The mistake lies in the pellucidity and fineness of those Pipes, which do most certainly touch the surface of the Sea before that any considerable motion be made in it, and that when the Pipe begins to fill with Water it then becomes opake and visible.

1756 C. Lucas Ess. Waters i. 35 Our Thames..preserves her purity and pellucidity.

1807 Philos. Trans. (Royal Soc.) 97 313 From the perfect pellucidity of this water, its softness, and the absence of any obvious saline taste, I was led to suppose that it was uncommonly pure.

1868 H. H. Milman Ann. St. Paul's Cathedral xviii. 463 With an incomparable ease and pellucidity of language.

1904 Polit. Sci. Q. 19 124 Senator Hoar's work, while in general a paragon of pellucidity, leaves nevertheless one distressing uncertainty in the reader's mind.

1949 Eastern Surv. 18 35/2 He offers us a marvel of pellucidity and Western cadences as a replica of something Chinese.

1999 N.Y. Times 29 Aug. ii. 1 He is writing about jazz, about a musician making music, doing it with knowledge and pellucidity.