Definition of "accessorial" []

• Of or pertaining to an accessory; as, accessorial agency, accessorial guilt. (adjective)
• Of or relating to an accession. (adjective)
• Assessorial. (adjective)
• An assessorial charge. (noun)

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• "So as not to delay payment, owners will promptly certify such bills as may be required in connection with any accessorial services."
• "On lessening the percentage of combined carbon with formation of graphite the injurious influence of the accessorial constituents of cast iron is diminished, especially that produced by the presence of phosphorus."
• "The same subdued expression of elegance and ease that pervades the leading articles of his attire, extends, without exception, to all the accessories; or if he is deficient in aught, the accessorial _toggery_, such as hats, boots,"