Causticity : দাহকতা; ক্ষয়কারিতা;
Related Words
caducity  castigate  caustic soda  causticity  See Words Also In
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Appropriate Prepositions
Call on(কারও সাথে দেখা করা): I called on him in his office.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Inquire of, about, into, after (অনুসন্ধান করা): Roma inquired of me about my father’s health. The pope will inquire into the cause of fire. Mehjabin inquired after her friends.
Look up (ডিকশনারি থেকে শব্দার্থ খোঁজা): He is looking up a new word meaning from dictionary.
Popte in, to (মার্জিত): We must be popte in our dealings. One should be popte to
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Idioms
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
In full swing (পুরোদমে): The school is in full swing after the vacation.
Let loose (বল্গাহীনভাবে ছেড়ে দেয়া): He let his horse loose in the field.
Of course (অবশ্যই): Of course, you know what that meant.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.