Opopanax, ō-pop′a-naks, n. a gum-resin used in perfumery and formerly in medicine. [Gr., opos, juice, panax, a plant, panakēs, all-healing.]
Oporice, ō-por′i-sē, n. a medicine prepared from quinces, pomegranates, &c.
Opossum, o-pos′um, n. a small American marsupial mammal, nocturnal, mainly arboreal, with prehensile tail: an Australian marsupial. [West Indian.]
Oppidan, op′i-dan, n. at Eton, a student who is not a foundationer or colleger. [L. oppidanus—oppidum, town.]
Oppilation, op-i-lā′shun, n. stoppage.—v.t. Opp′ilate, to crowd together.—adj. Opp′ilātive, obstructive. [L.]
Opponent, ō-pō′nent, adj. opposing in action, speech, &c.: placed in front.—n. one who opposes.
Opportune, op-or-tūn′, adj. present at a proper time: timely: convenient.—adv. Opportune′ly.—ns. Opportune′ness; Opportun′ism, practice of regulating principles by favourable opportunities without regard to consistency; Opportun′ist, a politician who waits for events before declaring his opinions: a person without settled principles; Opportun′ity, an opportune or convenient time: a good occasion or chance. [Fr.,—L. opportunus—ob, before, portus, a harbour.]
Oppose, o-pōz′, v.t. to place before or in the way of: to set against: to place as an obstacle: to resist: to check: to compete with.—v.i. to make objection.—n. Opposabil′ity.—adjs. Oppos′able, that may be opposed; Oppose′less (Shak.), not to be opposed, irresistible.—n. Oppos′er, one who opposes.—v.t. and v.i. Oppos′it, to negative. [Fr.,—L. ob, Fr. poser, to place.]
Opposite, op′ō-zit, adj. placed over against: standing in front: situated on opposite sides: contrasted with: opposed to: of an entirely different nature.—n. that which is opposed or contrary: an opponent.—adv. Opp′ositely.—n. Opp′ositeness.—Be opposite with (Shak.), to be perverse and contradictory in dealing with. [Fr.,—L. oppositus—ob, against, ponĕre, positum, to place.]
Opposition, op-ō-zish′un, n. state of being placed over against: position over against: repugnance: contrariety: contrast: act or action of opposing: resistance: that which opposes: obstacle: (logic) a difference of quantity or quality between two propositions having the same subject and predicate: the party that opposes the ministry or existing administration: (astron.) the situation of heavenly bodies when 180 degrees apart.—n. Opposi′tionist, one who belongs to an opposing party, esp. that opposed to the government. [Opposite.]