What does tertium quid mean?

Definitions for tertium quid
ˈtɜr ʃi əm ˈkwɪd, ˈtɛər ti-ter·tium quid

This dictionary definitions page includes all the possible meanings, example usage and translations of the word tertium quid.

Princeton's WordNet

  1. tertium quidnoun

    some third thing similar to two opposites but distinct from both


  1. tertium quidnoun

    something intermediate between two classifications

  2. Etymology: tertium from tertius, third + quid, thing


  1. tertium quid

    Tertium quid, a Latin term meaning "third thing", generally refers to an unspecified, unknown, or intermediate third entity in philosophy or law that is distinct from two known entities but related in some way to both. It can be an abstract concept, an object, a person, situation or any other factor that is introduced to mediate, combine, resolve, or create a synthesis between two opposing things or views.


  1. Tertium quid

    Tertium quid refers to an unidentified third element that is in combination with two known ones. The phrase is associated with alchemy. It is Latin for "third thing", a translation of the Greek tríton ti. The Greek phrase was used by Plato, and by Irenæus. The earliest Latin example is by Tertullian, who used the phrase to describe a mixed substance with composite properties such as electrum, a somewhat different sense than the modern meaning.

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  1. Chaldean Numerology

    The numerical value of tertium quid in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of tertium quid in Pythagorean Numerology is: 4


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"tertium quid." Definitions.net. STANDS4 LLC, 2024. Web. 26 May 2024. <https://www.definitions.net/definition/tertium+quid>.

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