lifeblood

/ˌlaɪfˈblʌd/
IPA guide

Other forms: lifebloods

Definitions of lifeblood
  1. noun
    the blood considered as the seat of vitality
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    type of:
    blood
    the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets
  2. noun
    an essential or life-giving force
    “water is the lifeblood of India”
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    type of:
    force
    a powerful effect or influence
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