hyperemia

n.
An increase in the quantity of blood flow to a body part; engorgement.

hyperemic hy'per·e'mic (-mĭk) adj.

(hī'pər-ē'mē-ə)
n

An increased and excessive amount of blood in a tissue. The hyperemia may be active or passive.

(hī'pə-rē'mē-ə)
n.

An increase in the quantity of blood flow to a body part; engorgement.

hy'per·e'mic (-mĭk) adj.

An excess of blood in a part.

• active h., arterial h. — that due to local or general relaxation of arterioles.
• leptomeningeal h. — congestion of the pia-arachnoid.
• passive h. — that due to obstruction to flow of blood from the area.
• pulpal h. — hyperemia of the tooth pulp.
• reactive h. — that due to increase in blood flow after its temporary interruption.
• venous h. — passive hyperemia.

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The noun has one meaning:

Meaning #1: increased blood in an organ or other body part
  Synonym: hyperaemia

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