a. [f. prec. + -AL: cf. mod.F. conjonctionel.] Pertaining or relating to conjunction or to a conjunction.

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  1.  Astrol. and Astron. (see CONJUNCTION 3).

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1665.  J. Gadbury, London’s Deliv., i. 4. Assistance from the Conjunctional, Opposite, or Quadrantal Rays of Jupiter.

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1686.  Goad, Celest. Bodies, I. xii. 49. The moon in her conjunctional Aspects.

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  2.  Gram. (See CONJUNCTION 6.)

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1871.  Earle, Philol., iv. 188. It becomes qualified to enter into conjunctional phrases, though it does not constitute a conjunction all by itself.

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  3.  (See quot.)

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1888.  Linn. Soc. Jrnl., XX. 235. Conjunctional Segregation is Segregation arising from the instincts by which organisms seek each other.

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  Hence Conjunctionally adv., in a conjunctional manner; as a conjunction.

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1845.  Stoddart, in Encycl. Metrop. (1847), I. 166/1. This adverb … came next to be employed prepositionally and conjunctionally, with the same reference to time past.

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