Meanings
nounfoldchange (countable and uncountable, plural foldchanges)
plural foldchanges · alternative fold change
- countableuncountablesciencesA measurement of change in value, expressed as a ratio, so that for example a value changing from 30 to 60 represents a foldchange of 2.
Unigenes with foldchange expression between the tolerant and sensitive genotypes was ≥ 4 or ≤ -4 we consider for further investigation at the PGE as potential targets of selection in the evolution of Al tolerance.
2015 July 6, “De Novo Transcriptome Assembly and Identification of Gene Candidates for Rapid Evolution of Soil Al Tolerance in Anthoxanthum odoratum at the Long-Term Park Grass Experiment”, in PLOS ONE, →DOI
Origin
From fold + change; see twofold, threefold, etc.
Full word history & related roots →Cite this entry
APA
foldchange. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/foldchange
MLA
“foldchange.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/foldchange. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “foldchange,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/foldchange.
Source: foldchange on Wiktionary, CC BY-SA 4.0.