uncolourability en · NOUN
Etymology
From un- + colourability.
Meanings
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(uncountable) UK standard spelling of uncolorability.
We introduce weak oddness #92;omega#95;#123;#92;textrmw#125;, a new measure of uncolourability of cubic graphs, defined as the least number of odd components in an even factor.
2016, Robert Lukoťka, Ján Mazák, “Weak oddness as an approximation of oddness and resistance in cubic graphs”, in arXiv: