opacity
/ou'pæsiti/
Học thuậtThân thiện
Definition
- Noun:
- The quality of being opaque; the degree to which something blocks the passage of light: This refers to the physical property of a material that prevents light from passing through it clearly.
- Obscurity of meaning; the quality of being hard to understand: This refers to a lack of clarity or transparency in language, thought, or expression.
- The phenomenon of not permitting the passage of electromagnetic radiation: In physics, this extends the concept to include the blocking of other forms of electromagnetic waves, not just visible light.
Examples of Usage
- Physical Quality:
- The opacity of the frosted glass provided privacy.
- Scientists measure the opacity of the atmosphere to understand climate.
- Lack of Clarity in Meaning:
- The opacity of the legal document made it difficult to interpret.
- Critics pointed out the opacity of the poet's later work.
Advanced Usage
- "Mathematical/Logical Opacity": Used to describe a process or system whose internal workings are not easily understood or decipherable.
- The algorithm's opacity is a concern for AI ethics.
- "Rhetorical Opacity": A deliberate use of complex or obscure language for stylistic effect.
- The author's rhetorical opacity demands careful reading.
Variants and Related Words
- Opaque (adj): Not able to be seen through; not transparent. Also used figuratively to mean difficult to understand.
- The windows were made of opaque glass.
- His explanation was completely opaque.
- Opacify (verb, technical): To make something opaque.
- The chemical is used to opacify the polymer.
Synonyms
- Physical: impermeability (to light), cloudiness, murkiness.
- Figurative (Lack of Clarity): obscurity, ambiguity, unintelligibility, incomprehensibility.
Antonyms
- Physical: transparency, clarity, translucency.
- Figurative (Lack of Clarity): clarity, lucidity, transparency, intelligibility.
Related Phrases and Concepts
- "Opacity of the cornea": A medical condition where the cornea of the eye becomes cloudy.
- "Financial opacity": A lack of transparency in financial reporting or corporate governance.
- "Optical opacity": A specific term in physics for the degree to which a material absorbs or scatters light.
Noun
- the quality of being opaque to a degree; the degree to which something reduces the passage of light
- incomprehensibility resulting from obscurity of meaning
- the phenomenon of not permitting the passage of electromagnetic radiation