Adjective
reductional (comparative more reductional, superlative most reductional)
Of, pertaining to, or producing reduction.
Because the ploidy is reduced from diploid to haploid, meiosis I is referred to as a reductional division. Source: Internet
Martin Noth argued that the Pentateuch uses the figure of Moses, originally linked to legends of a Transjordan conquest, as a narrative bracket or late reductional device to weld together 4 of the 5, originally independent, themes of that work. Source: Internet