প্রতীপ চাপ: Negative pressure.
Related Words
প্রতীপ কোণ প্রতীপ চাপ প্রতীপগমন প্রতীয়মান প্রমাণচাপ প্রশমন তাপSee Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
By heart (মুখস্থ): Kamal learnt to poem by heart.
Catch at(ধরা): A drowning man catches at a straw.
Depend on (নির্ভর করা): Presently, the students depend on/upon guide books.
Hope for (আশা করা): Let us hope for the best.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
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Idioms
Bad blood - (শত্রুতা): There has always been bad blood between these families.
On the contrary (বিপরীত পক্ষে): I do not hate him; on the contrary I love him.
Out of order (বিকল): The elevator was out of order.
Take to heart (মর্মাহত হওয়া)- He really took it to heart when I asked him to reconsider.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.