altermatic

== English == === Etymology === Coined by mathematicians Meysam Alishahiand and Hossein Hajiabolhassan in 2014 for the 2015 paper "On the chromatic number of general Kneser hypergraphs" as a blend of alternating +‎ chromatic on the grounds that the chromatic bound is given by a longest subsequence in which every pair of consecutive terms differs (loosely, the subsequence "alternates"). === Pronunciation === (Received Pronunciation) IPA(key): /ˌɒl.təˈmæt.ɪk/, /ˌɔːl.tə-/ (General American) IPA(key): /ˌɔl.təɹˈmæt.ɪk/, /ˌɑl.təɹ-/ Rhymes: -ætɪk === Adjective === altermatic (not comparable) (mathematics) Describing a certain combinatorial lower bound of a chromatic number of a graph.