(p. 63) abhīkṣaṇa (chem.) testing, a test. 147)

(p. 107) āṇubīkṣaṇika microscopic. 7)

(p. 141) īkṣaṇa sight; seeing or sighting; observation; an eye. 4)

(p. 442) taḍ়idbīkṣaṇa an electroscope. 53)

(p. 500) dīkṣaṇīẏa worthy of being initiated, fit for initiation. 20)

(p. 555) nabhōbīkṣaṇa astronomical telescope. 30)

(p. 582) nirīkṣaṇa observation, seeing; observing closely; examine carefully; auditing or audit. নিরীক্ষণ করা v. to observe, to see; to audit. 12)

(p. 619) parāṇubīkṣaṇa (phys.) an ultra microscope. 8)

(p. 625) parīkṣaṇa act of testing or examining or trying or investigating or foretelling or divining. পরীক্ষণীয় a. that which or one who is to be tested or examined or tried or investigated or experimented upon or divined; examinable. 55)

(p. 773) bīkṣaṇa careful observation. 79)

(p. 989) samīkṣaṇa thorough viewing or observation; investigation, search; scrutiny; deliberation. 18)