opacity
gb/oʊpˈæsəti/ us/oʊpˈæsəti/
C1
อังกฤษ
ความหมาย
0 ความหมาย
คำนาม
C1
property
1
lack of transparency to light
Opacity is how much something blocks light.
รูปแบบการใช้:
the opacity of [material/object]
ข้อผิดพลาดที่พบบ่อย:
Learners sometimes confuse opacity (blocks light) with transparency (lets light through).
คำพ้องความหมาย
opaqueness (More direct and less formal; same meaning.)
|
cloudiness (Often suggests a liquid that is not clear, not any solid object.)
คำตรงข้าม
transparency (The quality of letting light pass through clearly.)
|
clarity (Often used for liquids or images being easy to see through.)
คำที่ใช้ร่วมกัน
high opacity
|low opacity
|the opacity of glass
|the opacity of water
|reduce opacity
|increase opacity
|light opacity
|optical opacity
|surface opacity
|measure opacity
หัวข้อ
materials
|science
|daily_life
ตัวอย่าง
- Frosted glass gets its opacity from the textured surface.
- The lab measured the water’s opacity after the storm.
- As the paint dried, its opacity increased and the wall color stopped showing through.
ตัวอย่างสำหรับผู้เรียน
- This glass has high opacity.
- The water has low opacity today.
คำนาม
technical
C1
quantity
2
degree of being opaque
Opacity can also mean a level, like a number or percent.
รูปแบบการใช้:
an opacity of [number/percentage]
ข้อผิดพลาดที่พบบ่อย:
Don’t use *an opacity* to mean simply ‘something is opaque’ unless you are talking about a measurable level.
คำพ้องความหมาย
density (In everyday talk it can overlap, but density is not the same physical measure.)
คำตรงข้าม
transparency (Can also be measured as a level in similar contexts.)
คำที่ใช้ร่วมกัน
opacity value
|opacity level
|opacity reading
|opacity measurement
|set the opacity
|adjust the opacity
|opacity percentage
|opacity scale
|opacity threshold
|peak opacity
หัวข้อ
science
|measurement
|materials
ตัวอย่าง
- The display lets you set an opacity of 70%.
- The sensor reports opacity readings every minute.
- At higher opacity values, the background becomes harder to see.
ตัวอย่างสำหรับผู้เรียน
- Set the opacity to 50%.
- This layer has 80% opacity.
คำนาม
formal
C1
abstract
3
lack of clarity or openness
Opacity can mean that something is hard to understand because it is not clear or open.
รูปแบบการใช้:
the opacity of [process/system/statement]
ข้อผิดพลาดที่พบบ่อย:
Learners may overuse opacity when ‘unclear’ or ‘confusing’ would be more natural in casual speech.
คำพ้องความหมาย
obscurity (Emphasizes being hard to understand, sometimes due to complexity.)
|
lack of transparency (Focuses on not being open or accountable.)
|
murkiness (More informal; suggests confusion or suspicion.)
คำตรงข้าม
transparency (Openness and clarity about what is happening.)
|
clarity (Ease of understanding and seeing what is meant.)
คำที่ใช้ร่วมกัน
bureaucratic opacity
|corporate opacity
|government opacity
|opacity of the process
|opacity of the rules
|opacity in decision-making
|regulatory opacity
|legal opacity
|financial opacity
|deliberate opacity
หัวข้อ
communication
|business
|government
ตัวอย่าง
- Employees complained about the opacity of the promotion process.
- The report criticized the opacity of the company’s finances.
- The policy’s opacity made it hard for customers to know what they were agreeing to.
ตัวอย่างสำหรับผู้เรียน
- The rules have too much opacity.
- We want more transparency and less opacity.
คำนาม
technical
C2
entity
4
whiteness in medical imaging
In medicine, an opacity is a whiter area on a scan.
รูปแบบการใช้:
an opacity in [body part/scan]
คำพ้องความหมาย
shadow (Common non-technical term used by patients; less precise.)
คำตรงข้าม
clear area (Not a standard technical antonym, but the opposite finding on imaging.)
คำที่ใช้ร่วมกัน
pulmonary opacity
|lung opacity
|focal opacity
|diffuse opacity
|ground-glass opacity
|an opacity on the X-ray
|an opacity in the left lung
|new opacity
|resolving opacity
|persistent opacity
หัวข้อ
health
|medicine
ตัวอย่าง
- The radiologist noted a small opacity in the right upper lobe.
- Follow-up imaging showed that the opacity had resolved.
- A new opacity on the chest X-ray prompted further tests.
ไวยากรณ์
รูปคำในพจนานุกรม
opacity
IPA
GB/oʊpˈæsəti/
US/oʊpˈæsəti/
พยางค์และการเน้นเสียง
opa - city (2 พยางค์)
Stress on 2nd syllable (city)
รูปคำ
Noun
- Base: opacity
- Plural: opacities, opacity
กลุ่มคำที่เกี่ยวข้อง
Forms
opacities
noun
Core family
opaque
adjective B2
Related words
opaquely
adverb
opaqueness
noun
Negative and opposite forms
transparent
adjective B2
transparency
noun C1
Advanced or less common
opacify
verb
opacification
noun
วลีและสำนวน
ground-glass opacity
1/ɡɹˈaʊnd ɡlˈæs oʊpˈæsəti/
fixed phrase
technical
hazy area on lung scan
A ground-glass opacity is a hazy area on a lung scan.
ตัวอย่าง
- The CT report mentioned ground-glass opacity in both lungs.
- Ground-glass opacity can have several possible causes.
- Repeat imaging showed less ground-glass opacity than before.
opacity level
1/oʊpˈæsəti lˈɛvəl/
fixed phrase
technical
amount of opacity
An opacity level is a chosen amount of opacity.
ตัวอย่าง
- Lower the opacity level so the text behind it is visible.
- The default opacity level is 100%.
- Try a 30% opacity level for a subtle watermark.
opacity setting
1/oʊpˈæsəti sˈɛtɪŋ/
fixed phrase
technical
control for opacity in software
The opacity setting is where you change transparency.
ตัวอย่าง
- Change the opacity setting for the top layer.
- If the highlight is too strong, reduce the opacity setting.
- The app remembers your last opacity setting.
opacity slider
1/oʊpˈæsəti slˈaɪdɚ/
fixed phrase
technical
UI slider for transparency
An opacity slider is a bar you drag to change opacity.
ตัวอย่าง
- Drag the opacity slider to the left to make it more transparent.
- The opacity slider is in the Layers panel.
- I can’t find the opacity slider on mobile.