a. Med. [f. SOL sb.1 + LUNAR a.] Due to the conjunction of sun and moon.

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1790.  F. Balfour (title), A Treatise on Putrid Intestinal Remitting Fevers, in which the laws of the febrile state and sol-lunar influence … explain the … forms, crises, etc., of these fevers. Ibid. (1805), in Asiatick Researches, VIII. 10. Exacerbations of sol-lunar power in exciting and reiterating paroxysms.

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