odslúžiti

ólje

en oil; oil painting

omejíti

en to limit; to restrict; to circumscribe; to confine, to bound, to set bounds to, to restrain; to retrench, to reduce, to curtail

opážiti

en to panel; to wainscot

O star

vroča modra zvezda z velikim izsevom (→luminosity), v spektru katere prevladujejo črte vodika, helijevih atomov in ioniziranih helijevih atomov [◈ A star; B star; K star; M star]
sl zvezda tipa O, zvezda spektralnega tipa O

oženíti

en to marry; to take for one's wife, to take in marriage; to spouse; to wed

paraléla

en parallel; analogy

parallax

navidezni premik položaja bližnjih objektov glede na daljne objekte pri opazovanju bližnjega objekta z različnih zornih kotov
sl paralaksa

pásti

en to fall; to drop; to slump; to tumble; to decrease, to decline; to wane; to ebb; to go down, to depreciate; to sink

peljáti

en to lead, to conduct; to guide; to drive, to convey, to cart