caffeine
/ˈkæfiːn/noun
उच्चारण कैफ़ीन
कैफ़ीन
Core word
- 1
[U]
a drug found in coffee and tea that makes you feel more active
कैफ़ीन
- caffeine in tea
- Too much caffeine can make it hard to sleep at night.
- Many students drink coffee because the caffeine helps them stay awake.
+ 2 more examples
- Decaffeinated coffee has very little caffeine in it.
- The doctor advised him to cut down on caffeine.
Synonyms stimulant
§Structures (grammar patterns) 5
caffeine (uncountable noun)
It has no plural and no 'a'. Use 'some', 'a lot of' or 'much'.
इसका plural नहीं होता और 'a' भी नहीं लगता। 'Some', 'a lot of' या 'much' का प्रयोग करें।
- Tea contains less caffeine than coffee.
- Too much caffeine can disturb your sleep.
caffeine in + drink / food
Use 'in' to say where caffeine is found.
Caffeine कहाँ पाया जाता है, यह बताने के लिए 'in' का प्रयोग होता है।
- There is caffeine in chocolate as well.
- How much caffeine is in a cup of tea?
caffeine-free / low-caffeine
Compound adjectives are formed with a hyphen: caffeine-free tea, high-caffeine drinks.
Hyphen के साथ यौगिक adjective बनते हैं: caffeine-free tea, high-caffeine drinks।
- She drinks caffeine-free herbal tea at night.
caffeine fix / hit / boost
Informal ways to talk about the lift one gets from a drink.
पेय से मिलने वाली स्फूर्ति के लिए ये अनौपचारिक अभिव्यक्तियाँ हैं।
- He needs his caffeine fix before the morning lecture.
caffeine in health and exams
Caffeine is a mild stimulant, but too much of it can cause headaches, a fast heartbeat and poor sleep. Students are advised to avoid it late at night.
Caffeine एक हल्का उत्तेजक है, पर अधिक मात्रा से सिरदर्द, तेज़ धड़कन और खराब नींद हो सकती है। विद्यार्थियों को रात में देर तक इससे बचने की सलाह दी जाती है।
- Too much caffeine can make you restless.
- Avoid caffeine late at night.
+Collocations 5
adjective + caffeine
naturalexcessaddedpurelow
- Energy drinks contain a lot of added caffeine.
verb + caffeine
containcut down onavoidconsumegive upneed
- The doctor told her to cut down on caffeine.
caffeine + noun
intakeleveladdictioncontentwithdrawalpill
- High caffeine intake may cause restlessness.
noun + of caffeine
a dose ofa hit ofa shot ofmilligrams oftraces of
- A cup of coffee has about eighty milligrams of caffeine.
caffeine + effect
keep awakecause restlessnessboost alertnessdisturb sleep
- Caffeine can keep you awake long after midnight.
“More examples 6
- Radhika gave up caffeine during the exam month to sleep better.
राधिका ने बेहतर नींद के लिए परीक्षा के महीने में caffeine छोड़ दिया।
- Caffeine is a stimulant that makes you feel more alert.
Caffeine एक उत्तेजक है जो आपको अधिक सतर्क महसूस कराता है।
- Green tea has caffeine too, though in smaller amounts.
हरी चाय में भी caffeine होता है, पर कम मात्रा में।
- Children should not be given drinks with caffeine.
बच्चों को caffeine वाले पेय नहीं देने चाहिए।
- He felt jittery after drinking too much caffeine.
बहुत अधिक caffeine पीने के बाद उसे घबराहट महसूस हुई।
- A cup of tea gives her enough caffeine to stay alert.
एक कप चाय उसे सतर्क रहने के लिए पर्याप्त caffeine दे देती है।
!Common mistakes 2
✗ Coffee has many caffeines.
✓ Coffee has a lot of caffeine.
'Caffeine' is uncountable and has no plural.
'Caffeine' अगणनीय है और इसका plural नहीं होता।
✗ Coffee contains much more caffeine than tea contain.
✓ Coffee contains much more caffeine than tea does.
Use 'does' to avoid repeating the verb in the comparison.
तुलना में verb दोहराने से बचने के लिए 'does' का प्रयोग होता है।
≈Synonyms and antonyms
Synonyms