Offerings, act of religion, 2183.
Office, Divine, distractions during, 2174; obligation of matter and manner, 2600 a; excuses from the obligation of the Divine Office, 2601 a.
Officials, Public, lawfulness of revelations about, 2071.
Offset, definition of, 1927 a. Old Testament, moral precepts still binding, 7; ceremonial laws no longer obligatory, 7.
Omen, form of divination, 2285 d.
Omissions, voluntary, 37; effect of may be voluntary, 38.
Oneiromancy, form of divination, 2284 a.
Opinion, as state of conscience, 662 sqq.
Ordeal by Fire, sin against religion, 2284 c.
Order of Charity, 1158; between neighbors, 1171 sqq.; in almsgiving, 1247.