Active principle : সত্ত্ব;
Related Words
active principle  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Concerned for (উদ্বিগ্ন): The parents are concerned for their growing children.
Entrust to (কাউকে কোনো কিছু বিশ্বাস করে দেওয়া): He entrusted the thing to me.
Full of (পরিপূর্ণ): Our Rivers are full of fishes.
Lost in (মগ্ন): Simon is lost in meditation.
Play at (খেলা): I do not play at cards.
Browse All Appropriate Prepositions
Idioms
At the eleventh hour (at the last moment-শেষ মুহুর্তে adv.) The patient was in a dangerous condition and the doctor came at the eleventh hour.
For good (চিরদিনের জন্য): He left the house for good.
Lump sum (এক কালীন) — He gave us lump sum money.
Now and then (মাঝে মাঝে): He comes here now and then.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.