polyadicadj.

1905 Trans. Amer. Math. Soc. 6 357 All the fundamental relations of logic appear as triadic rather than dyadic. But upon this triadic basis, polyadic relations also develop.

1906 C. S. Peirce in Monist 16 512 A Predicate is either non-relative, or a monad..as is ‘black’; or it is a dyadic relative, or dyad, such as ‘kills’, or it is a polyadic relative, such as ‘gives’.

1919 A. N. Whitehead Enq. Princ. Nat. Knowl. vii. 84 A percipient event in the polyadic relation of a sense-object to nature is the percipient event of an awareness which includes this recognition of that sense-object.

1964 E. A. Nida Toward Sci. Translating v. 111 For the most part these differences are binary or dyadic, but they may be singular or multiple (or polyadic).

2000 Econ. & Philos. 16 152 On this view, an explanation is a polyadic relationship which takes into account not only the explanans and explanandum but [etc.].

1950 W. V. Quine Methods of Logic iii. 135 (note) We also have occasion to speak of monadic and polyadic schemata, referring thereby rather to the absence or presence of polyadically occurring predicate letters.

1999 J. Price in J. van der Dennen et al. Darwinian Heritage & Sociobiol. v. xx. 304 Intellectual tests..are polyadically controlled dyadic comparisons.

1918 C. D. Broad in Mind 27 284 A consistent system of notation..extensible to relations of any degree of polyadicity.

2000 Philos. Rev. 109 22 The antipositionalist view..is able to account for the possibility of variable polyadicity.