#1 comparison n. [comparing] the act of examining resemblances; "they made a comparison of noise levels"; "the fractions selected for comparison must require pupils to consider both numerator and denominator". wn
#2 comparison n. relation based on similarities and differences. wn
#3 comparison n. [compare, equivalence, comparability] qualities that are comparable; "no comparison between the two books"; "beyond compare". wn
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