flask
/flɑːsk/noun
उच्चारण फ़्लास्क
फ़्लास्क
Basic word
- 1
[C]
a bottle with a narrow top, used in scientific work; a container that keeps liquids hot or cold
फ़्लास्क
- a tea flask
- The student poured the solution into a glass flask.
- He filled a flask with hot tea for the journey.
+ 1 more example
- A flask of coffee kept us warm at the cricket match.
§Structures (grammar patterns) 4
flask (lab bottle)
In science a flask is a glass bottle with a narrow neck, such as a conical flask or a round-bottomed flask.
विज्ञान में flask संकरी गर्दन वाली काँच की बोतल है, जैसे conical flask या round-bottomed flask।
- The student heated the liquid in a conical flask.
- Pour the solution into the flask carefully.
flask (insulated container)
A vacuum flask or thermos keeps drinks hot or cold. People carry a flask of tea.
Vacuum flask या thermos पेय को गर्म या ठंडा रखता है। लोग a flask of tea साथ रखते हैं।
- He carried a flask of tea to the cricket match.
a flask of + liquid
Flask is followed by of for what it holds: a flask of coffee, a flask of water.
Flask में जो द्रव हो उसके लिए 'of' आता है: a flask of coffee।
- She filled a flask of hot milk for the journey.
hip flask / flask in a pocket
A hip flask is a small flat flask, often for alcohol, carried in a pocket. In India the flask is more often a steel or vacuum flask.
Hip flask जेब में रखी जाने वाली छोटी चपटी flask है। भारत में प्रायः स्टील या वैक्यूम flask होती है।
- Radhika packed a steel flask of hot water in the school bag.
+Collocations 4
type + flask
conicalvacuumround-bottomedsteelglass
- A conical flask is used for titration in the lab.
verb + flask
fillshakeheatcorkrinse
- Rinse the flask with distilled water.
flask + of + liquid
flask of teaflask of coffeeflask of soupflask of water
- Grandfather's flask of tea lasted all morning.
flask + preposition
in a flaskfrom a flaskinto a flaskinside the flask
- The tea stayed hot in the flask until evening.
“More examples 6
- The teacher warned the class not to drop the glass flask.
अध्यापिका ने कक्षा को चेताया कि काँच का flask न गिराएँ।
- He poured the hot tea from the flask into small cups.
उसने flask से गरम चाय छोटे कपों में डाली।
- The experiment needed a flask, a burner and a thermometer.
प्रयोग के लिए एक flask, बर्नर और थर्मामीटर चाहिए था।
- A vacuum flask keeps water cold for twelve hours.
वैक्यूम flask पानी को बारह घंटे ठंडा रखता है।
- On the train she shared her flask of tea with the family opposite.
ट्रेन में उसने सामने बैठे परिवार के साथ अपनी flask की चाय बाँटी।
- The scientist labelled the flask before putting it on the shelf.
वैज्ञानिक ने flask को शेल्फ़ पर रखने से पहले उस पर लेबल लगाया।
!Common mistakes 2
✗ She poured a flask water into the glass.
✓ She poured water from the flask into the glass.
Name the container with from, or say a flask of water.
पात्र बताने के लिए 'from' का प्रयोग करें, या 'a flask of water' कहें।
✗ He brought two flask of tea to the match.
✓ He brought two flasks of tea to the match.
After two, the countable noun flask must be plural.
Two के बाद countable noun 'flask' plural होना चाहिए।
✓In the exam
General knowledge
Science: a vacuum flask (thermos) reduces heat transfer by conduction, convection and radiation.
विज्ञान में vacuum flask (थर्मस) चालन, संवहन और विकिरण से ऊष्मा का स्थानांतरण घटाता है।