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submarginal

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

Definition of submarginal

1 :adjacent to a margin or a marginal part or structure
  • submarginal spots on an insect wing
2 :falling below a necessary minimum
  • submarginal economic conditions

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First Known Use of submarginal

1800

Medical Dictionary

submarginal

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

medical Definition of submarginal

1 :adjacent to a margin or a marginal part or structure
  • submarginal areas of the gingiva
2 :falling below a necessary minimum
  • submarginal diets

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