submarginal

adjective sub·mar·gin·al \ˌsəb-ˈmärj-nəl, -ˈmär-jə-n^əl\

Definition of SUBMARGINAL

: adjacent to a margin or a marginal part or structure <submarginal spots on an insect wing>

: falling below a necessary minimum <submarginal economic conditions>

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1829

Medical Dictionary

adjective sub·mar·gin·al \ˌsəb-ˈmärj-nəl, ˈsəb-, -ən-^əl\

: adjacent to a margin or a marginal part or structure <submarginal areas of the gingiva>

: falling below a necessary minimum <submarginal diets>

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