Orthocenter : লম্ববিন্দু;
Related Words
ortho center  orthocenter  orthocentre  See Words Also In
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Appropriate Prepositions
Apply to (কারো কাছে আবেদন করা): He applied to the principal for free admission.
Assure of(আশ্বাস দেওয়া): I can assure you of the Principal’s honesty.
Attacked by(আক্রান্ত ব্যক্তিবাচক): He has been attacked by a gang of robbers.
Catch at(ধরা): A drowning man catches at a straw.
Free from (মুক্ত): He is now free from danger.
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Idioms
ABC - (প্রাথমিক জ্ঞান): I don't know the ABC of politics.
Fair and square (সৎ): The learned persons should be fair and square.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
Riding for a fall (বেপরোয়াভাবে কাজ করা- to act recklessly): He rides for a fall in the election.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.