exudation
/,eksju:'deiʃn/
Học thuậtThân thiện
Definition
- Noun:
- The process of exuding: The act or process of slowly oozing or discharging a liquid, typically through small openings or pores.
- An exuded substance: A liquid or semi-liquid substance that has oozed out, especially from a plant, animal tissue, or wound.
Examples of Usage
- Noun (Process):
- The exudation of sap from the tree's bark is a natural process.
- The doctor noted the exudation of clear fluid from the wound.
- Noun (Substance):
- The sticky exudation on the leaf was collected for analysis.
- Resin is a common plant exudation.
Advanced Usage
- Technical/Medical Context: In medicine, "exudation" often refers to the escape of fluid, cells, or cellular debris from blood vessels into tissues, typically as part of an inflammatory response.
- The inflammation was characterized by significant fluid exudation into the surrounding tissue.
- Botanical Context: In botany, it describes the process where plants release substances like gums, resins, or saps.
- Guttation is a specific type of water exudation from the hydathodes of some plants.
Variants and Related Words
- Exude (verb): To ooze or discharge slowly and steadily.
- The cut began to exude a small amount of blood.
- Exudate (noun): A more technical term for the substance that is exuded.
- The lab tested the pleural exudate for infection.
Synonyms
- Oozing: The process of flowing or leaking out slowly.
- Secretion: (In biological contexts) The process of producing and discharging a substance.
- Discharge: The action of releasing a substance.
Related Phrases/Idioms
(Note: "Exudation" is a technical/scientific term and is not commonly used in idiomatic expressions or phrasal verbs.)
Noun
- the process of exuding; the slow escape of liquids from blood vessels through pores or breaks in the cell membranes
- a substance that oozes out from plant pores