,(logic) describing the second in a numerical sequence of models, languages, relationships, forms of logical discourse etc(adjective)
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Use "second-order" in a sentence
"No doubt there are second-order effects of job creation as well, but wage data obviously tells us nothing at all about either their magnitude or their sign."
"Calls for greater accountability on the part of US forces, intelligence actors, and their Afghan counterparts, have often been treated as a second-order priority by military and civilian officials."
"But for Premier Wen Jiabao and the decision makers on the State Council, that is a second-order concern."