dyad

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Remarkably, when both mice of a dyad were injected (BI condition), their behavioral response to pain in the formalin test appeared significantly reduced compared to that exhibited when only one animal of a dyad was injected (OI condition).

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Definitions (15)

Toggle American Heritage definitions American Heritage Dictionary (6)

  1. noun Two individuals or units regarded as a pair: the mother-daughter dyad.
  2. noun Biology One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.
  3. noun Chemistry A divalent atom or radical.

Toggle Century definitions Century Dictionary (6)

Toggle GNU Webster definitions GNU Webster's 1913 (2)

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Examples (45)

  • Mice were administered the pain test either Individually (IT-individually tested, dominants: n = 9; subordinates: n = 9) (i.e., alone) or as a dyad. —  PLoS ONE Alerts: New Articles
  • The dyad was considered stable when one of the two mice achieved the dominant social rank (i.e., for 3 consecutive days the dominant and subordinate roles did not change). —  PLoS ONE Alerts: New Articles
  • The behavioral response to pain did not differ when animals were tested individually (IT condition) or when only one in a dyad was injected (OI condition) and pain tested. —  PLoS ONE Alerts: New Articles
  • Remarkably, when both mice of a dyad were injected (BI condition), their behavioral response to pain in the formalin test appeared significantly reduced compared to that exhibited when only one animal of a dyad was injected (OI condition). —  PLoS ONE Alerts: New Articles
  • I can tell you that we worked on an earlier generation of the UPS dyad, the electronic device that their drivers used to track their deliveries. —  Hartford Courant blogs
 

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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. From Greek duas, duad-, from duo, two; see dwo- in Indo-European roots.

Toggle Century etymologies Century Dictionary (1)

  1. from Late Latin dyas (dyad-), from Greek δυάς (δυαδ-), the number two, from δύο = English two, q. v.
 

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/ˈdaɪæd/
by American Heritage

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