Medical Dictionary

1delta

noun del·ta \ˈdel-tə\

Medical Definition of DELTA

1
:  the fourth letter of the Greek alphabet—symbol Δ or δδ
2
:  any of various things felt to resemble a capital Δ; especially :  the triangular terminus of a pattern in a fingerprint formed either by bifurcation of a ridge or by divergence of two ridges that are parallel beyond it
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