infusion

[in-fyoo-zhuhn]
noun
1.
the act or process of infusing.
2.
something that is infused.
3.
a liquid extract, as tea, prepared by steeping or soaking.
4.
Pharmacology.
a.
the steeping or soaking of a crude drug in water.
b.
the liquid so prepared.
5.
Medicine/Medical.
a.
the introduction of a saline or other solution into a vein.
b.
the solution used.

Origin:
1400–50; late Middle English < Latin infūsiōn- (stem of infūsiō). See infuse, -ion

reinfusion, noun
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World English Dictionary
infusion (ɪnˈfjuːʒən)
 
n
1.  the act of infusing
2.  something infused
3.  an extract obtained by soaking
4.  med introduction of a liquid, such as a saline solution, into a vein or the subcutaneous tissues of the body
 
infusive
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

infusion in·fu·sion (ĭn-fyōō'zhən)
n.

  1. The process of steeping a substance in water to extract its soluble principles.

  2. A medicinal preparation from such a process.

  3. Introduction of a solution into the body through a vein for therapeutic purposes.

  4. The solution introduced in such a manner.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Thanks to an infusion of government funding, however, construction on a new
  visitor center is presently underway.
These will make another genetic infusion into the ranks of the mustangs.
But no one likes the traffic, the crowds, the sudden infusion of citified
  bustle and self-importance.
The energy-rich waters off the coast also draw an annual infusion of seabirds.
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