exudate
Học thuậtThân thiện
Definition
Noun:
- A fluid or substance that has slowly oozed or been discharged from a tissue, vessel, or pore, often as a result of inflammation or injury. It is typically a mixture of cells, proteins, and other biological components.
Verb:
- To ooze or discharge a substance, such as a liquid or moisture, slowly and steadily through small openings, pores, or cuts.
Usage Examples
Noun:
- The doctor examined the clear exudate from the wound to check for infection.
- In plant pathology, the bacterial exudate from the leaf was collected for analysis.
Verb:
- The tree began to exudate a sticky sap after its bark was damaged.
- Under stress, the skin can exudate more sweat.
Advanced Usage
- Medical/Technical Context: The term is most commonly used in medical, biological, and botanical fields to describe pathological or physiological discharges.
- The pleural cavity contained a purulent exudate, indicating pneumonia.
- Figurative Use (Rare): Can be used figuratively to describe something that seems to emit or radiate a quality slowly and visibly.
- The old letters exudated a profound sense of melancholy.
Variants and Related Words
- Exudation (n): The process of exudating; the act of oozing out.
- The exudation of resin helps the tree seal wounds.
- Exudative (adj): Relating to or characterized by exudation.
- The patient had an exudative pleural effusion.
Synonyms
- Noun: Discharge, secretion, effusion, ooze, seepage.
- Verb: Ooze, seep, discharge, secrete, emit, leak.
Related Phrasal Verbs/Phrases
- Exude from: To ooze out from a specific source.
- Confidence seemed to exude from every pore of the seasoned speaker.
Related Idioms
- None directly associated. The word is highly technical and not commonly used in idiomatic expressions.
Noun
- a substance that oozes out from plant pores
Verb
- release (a liquid) in drops or small quantities
- exude sweat through the pores