All Words Glossary

Glossary of Philosophy Terms
beginning with letter O
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O Tweet Definition of O Like Definition of O on Facebook
  1. The fifteenth letter of the Appendix:Roman script, English alphabet, preceded by N and followed by P.
  2. A blood type that has no antigens and may only receive type O blood and nothing else, but may donate to all.
  1. (cricket) The number of overs bowled.
obverse Tweet Definition of obverse Like Definition of obverse on Facebook
  1. The heads side of a coin, or the side of a medal or badge that has the principal design.
    The medal had a cross on the and had a name inscribed on the reverse.
    1. (logic) The double negative of a statement e.g. All men are mortal => No men are immortal
  1. turned, Turned or facing toward the observer.
The side of the gravestone has the inscription.
  1. corresponding, Corresponding; complementary.
When you speak clearly, people understand you. If you mumble, the effect is observed.
Occam's razor Tweet Definition of Occam Like Definition of Occam
noun Occam"s razor, also Ockham"s razor
  1. The principle that entities should not be needlessly multiplied.
  2. (science) The principle of preferring the simpler of two competing theories.
occasion Tweet Definition of occasion Like Definition of occasion on Facebook
  1. A falling out, happening, or coming to pass; hence, that which falls out or happens; occurrence; incident.
  2. A favorable opportunity; a convenient or timely chance; convenience.
  3. An occurrence or condition of affairs which brings with it some unlooked-for event; that which incidentally brings to pass an event, without being its efficient cause or sufficient reason; accidental or incidental cause.
  4. need, Need; exigency; requirement; necessity.
    • I have no for firearms.
      1. A reason or excuse; a motive; a persuasion.
  1. (transitive) To give occasion to; to cause; to produce; to induce; as, to occasion anxiety.
one Tweet Definition of one Like Definition of one on Facebook
noun (ones)
  1. (mathematics) The neutral element with respect to multiplication in a ring.
  2. The digit or figure 1.
  3. A one-dollar bill.
  4. (cricket) One run scored by hitting the ball and running between the wickets; a single.
  1. Of a period of time, being particular; as, one morning, one year.
One day the prince set forth to kill the dragon that had brought terror to his father"s kingdom for centuries.
  1. A single, unspecified thing; a; any.
My aunt used to say, "One day is just like the other."
  1. sole, Sole, only.
He is the man who can help you.
  1. whole, Whole, entire.
He is hell of a guy.
pronoun (reflexive, oneself, possessive, one"s)
  1. (context, nominative case) Any person or thing.
One shouldn"t be too quick to judge.
The big looks good.
  1. (context, accusative case) Any person or thing.
I want the green .
One"s guilt may trouble .
ontic Tweet Definition of ontic Like Definition of ontic on Facebook
  1. ontological
  2. Whatever pertains to being generally, as opposed some theory of it (which would be ontology).
  3. The intransitive objects of some specific, historically determinate, scientific investigation.
ontology Tweet Definition of ontology Like Definition of ontology on Facebook
noun (ontolog, ies)
  1. (philosophy) The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.
  2. (philosophy) The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.
    • 2000, C.D.C. Reeve, Substantial Knowledge: Aristotle's Metaphysics, Hackett Publishing, p. 97,
    • :The answer to the controversial question of whether Aristotle's includes non-substantial particulars, then, is that it does.
      1. (logic) A logical system involving theory of classes, developed by w:Stanislaw_Lesniewski, Stanislaw Lesniewski (1886-1939).
      2. (computer science) A structure of concepts or entity, entities within a domain, organized by relationships; a system model.
organic Tweet Definition of organic Like Definition of organic on Facebook
  1. (biology) pertaining to, derived from, like, of the nature of, an organ of the body
  2. (chemistry) relating to the compounds of carbon, relating to natural products
  3. of food or food products, grown in an environment free from artificial agro-chemicals, and possibly certified organic by a regulatory body.
  4. (sociology) a form of social solidarity theorized by Emile Durkheim that is characterized by voluntary engagements in complex interdepencies for mutual benefit (such as business agreements), rather than mechanical solidarity, which depends on ascribed relations between people (as in a family or tribe).
Organon Tweet Definition of Organon Like Definition of Organon on Facebook
proper noun 
  1. the standard collection of the works of Aristotelian logic
organum Tweet Definition of organum Like Definition of organum on Facebook
noun (organa)
  1. (music) a type of medieval polyphony which builds upon an existing plainsong
orphic Tweet Definition of orphic Like Definition of orphic on Facebook
  1. having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding
eg. "mysterious symbols"; "the mystical style of Blake"; "occult lore"; "the secret learning of the ancients"      
oversoul Tweet Definition of oversoul Like Definition of oversoul on Facebook
  1. (Philosophy) (especially in transcendentalism) a supreme reality or mind; the spiritual unity of all being

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