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There are 12 twelve-letter words beginning with PSI

psi␣functionspsilanthropypsilomelanespsilopterinepsilosopherspsilostrophepsilotaceouspsilotophytepsittaciformpsittacisticpsittacosaurpsittaculids

12 definitions found

  • psi␣functions — n. Plural of psi function.
  • psilanthropy — n. (Theology) The doctrine that Jesus Christ was merely human.
  • psilomelanes — n. Plural of psilomelane.
  • psilopterine — n. Any extinct phorusrhacid of the genus Psilopterus.
  • psilosophers — n. Plural of psilosopher.
  • psilostrophe — n. (Botany) Any member of the genus Psilostrophe.
  • psilotaceous — adj. (Botany) Belonging to the Psilotaceae.
  • psilotophyte — n. (Botany) Any of the whisk ferns, of order Psilotales.
  • psittaciform — adj. (Zoology) Belonging or relating to the order Psittaciformes…
  • psittacistic — adj. Of or relating to psittacism.
  • psittacosaur — n. Any dinosaur of the family Psittacosauridae; a psittacosaurus.
  • psittaculids — n. Plural of psittaculid.
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