(p. 189) ōjōna ozone. 3)

(p. 189) ōjōguṇa (rhet.) ornateness and vigour of style. 2)

(p. 189) ōlāibibi the name given by the Muslims to ওলাইচণ্ডী । 48)

(p. 189) ōṣadhiśālā herbarium. 54)

(p. 189) ōṭhabasa, ōṭhabōsa act of sitting down and standing up alternately and repeatedly (as a punishment or physical exercise). 8)

(p. 188) ōjana act of weighing; weight; a unit of weight, a measure; importance, impressiveness; power, strength (নিজের ওজন বুঝে কাজ করা). ওজন করা v. to weigh. ̃-করা a. measured (ওজন-করা কথা). ̃দর n. price according to or determined by weight (and not according to or determined by number). ̃দার n. a weighman, a measurer. 22)

(p. 189) ōṭakiśati, ōṭakisti (in chess) a position in which if a particular piece or chessman is moved, the player in question gets a check, and if not moved, that piece or chessman is taken by the adversary. 6)

(p. 189) ōrā ṃōṭā, ṃōrā ṃuṭā orang-utan (orang-outang), an ape originally of Sumatra and Borneo. 39)

(p. 188) ōkē to him, him. 14)

(p. 189) ōẏājiba just, proper, right; necessary, essential. 27)

(p. 189) ōrasā wet, moist. 38)

(p. 188) ōki, ōkī expressing: inquisitiveness, amazement, fright etc., what's that. 13)

(p. 189) ōḍ়mbā a spendthrift. 14)

(p. 189) ōrē coll. & poet. form of ওকে । int. used in addressing or apostrophizing. 40)

(p. 189) ōstāda a trainer, a music-master or music-teacher; a master artist or artisan. a. skilled, expert. ওস্তাদি n. efficiency, skill, mastery; cleverness; an attempt to parade one's skill or mastery, bravado; uncalled-for act of coming forward to help; officiousness. a. pertaining to a trainer or music-master or master artist or master artisan. ওস্তাদি করা v. to try to parade one's skill or mastery; to come forward uncalled-for to help; to be officious. 59)