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n. pl. ac·ces·so·ries
a. A subordinate or supplementary item; an adjunct.
b. Something nonessential but desirable that contributes to an effect or result. See Synonyms at attachment.
2. Law One who knowingly assists a lawbreaker in the commission of a crime but does not actually participate in that crime.
1. Having a secondary, supplementary, or subordinate function.
2. Law Involving the knowing assistance of a lawbreaker in the commission of a crime without actual participation in the crime.

[Middle English accessorie, from Medieval Latin accessōrius, from accessor, helper, from Latin accessus, approach; see access.]

ac′ces·so′ri·al (-sə-sôr′ē-əl) adj.
ac·ces′so·ri·ly adv.
Usage Note: Although the pronunciation (ə-sĕs′ə-rē), with no (k) sound in the first syllable, is sometimes heard, it is not accepted by a majority of the Usage Panel. In the 1997 survey, 87 percent of the Panelists disapproved of it. The 2012 survey showed an 80 percent disapproval rate.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.accessorial - nonessential but helpful; "accessorial services included sorting and packing"
inessential, unessential - not basic or fundamental
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive ?
Except the aforementioned two core modules, some accessorial modules are integrated into the system to facilitate 3D printing of stents as follows: (1) the program control module, which is mainly used to control the performance as well as monitor working status of the homemade 3D printing system directly; (2) the temperature control module, which is mainly used to control the temperature of both the printhead and the surface of the A-axle through the proportional-integral-derivative closed-loop control method; and (3) the information interaction module, which is used to achieve the communication and data transmission between operators and the 3D printing system.
Both factors could impact fleet-manager performance as measured by average revenue, turnover, fuel cost, or accessorial charges.
(2.) See Joachim Dietrich, Accessorial Liability in the Law of Torts, 31 LEGAL STUD.
Additional changes will include absolute minimum charges and accessorial rates and charges.
So the accessorial coupling of the horizontal and torsional motions with the vertical motion will reduce the galloping vertical amplitude.
To standardize the working distance, an accessorial stick measuring 31 mm in length was attached to the laser probe (Figure 3(b)).
In the absence of direct drought/flood records, this construction utilized records of crop yield grades as the accessorial proxy indicators.
To demonstrate the aforementioned operation, the set which is developed from (13) is given below with the first matrix as the original sign-pattern and the last two as accessorial ones:
“Through our partnership with TRANSFLO and the adoption of the $Velocity product, we are reducing the time it takes for our carriers to submit delivery and accessorial documents.