Definition of Infusion

1. Noun. A solution obtained by steeping or soaking a substance (usually in water).

Exact synonyms: Extract
Specialized synonyms: Beef Tea, Bovril, Black Catechu, Catechu, Pancreatin
Generic synonyms: Solution
Derivative terms: Extract

2. Noun. The process of extracting certain active properties (as a drug from a plant) by steeping or soaking (usually in water).
Generic synonyms: Extraction
Derivative terms: Infuse

3. Noun. (medicine) the passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force).
Generic synonyms: Instillation, Instillment, Instilment
Category relationships: Medical Specialty, Medicine
Derivative terms: Infuse

4. Noun. The act of infusing or introducing a certain modifying element or quality. "The team's continued success is attributable to a steady infusion of new talent"
Generic synonyms: Change Of State
Derivative terms: Infuse

Definition of Infusion

1. n. The act of infusing, pouring in, or instilling; instillation; as, the infusion of good principles into the mind; the infusion of ardor or zeal.

Definition of Infusion

1. Noun. A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities. ¹

2. Noun. The act of steeping or soaking a substance in liquid so as to extract medicinal or herbal qualities. ¹

3. Noun. The act of installing a quality into a person. ¹

4. Noun. (obsolete) The act of dipping into a fluid. ¹

¹ Source:

Definition of Infusion

1. the act of infusing [n -S]

Medical Definition of Infusion

1. The therapeutic introduction of a fluid other than blood, as saline solution, solution, into a vein. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Infusion Pictures

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Lexicographical Neighbors of Infusion

infusion (current term)
infusion-aspiration drainage
infusion graft
infusion pumps

Literary usage of Infusion

Below you will find example usage of this term as found in modern and/or classical literature:

1. The History of the Norman Conquest of England: Its Causes and Its Results by Edward Augustus Freeman (1879)
"The whole Teutonic infusion in U1 J French came from a single source, and came liah ... The Romance ' infusion in English came in from more than one source. ..."

2. Medical lexicon: A Dictionary of Medical Science by Robley Dunglison (1856)
"This infusion may also be made from the same quantity of bark in coarse powder by the procesa of displacement with hot or cold water. ..."

3. Essays on the Floating-matter of the Air in Relation to Putrefaction and by John Tyndall (1882)
"Six other tubes charged with the same infusion, boiled in the same way, became turbid in a ... Hay-infusion* This infusion has been credited with a power of ..."

4. Notes and Queries by Martim de Albuquerque (1873)
"Of the syrup : “ This syrup is only used for the sake of its colour and flavour.” Of the acid infusion “ It is nmch, but unwisely, used for the exhibition ..."

5. American Druggist (1885)
"The infusion is usually made from such substances as contain volatile ... In making an infusion, it must not be overlooked that the species are to be ..."

6. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1870)
"He then besought his wife to give him some linseed tea—she by mistake gave him an infusion of mustard. Of this the patient drank a cupful at once, ..."

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