Definition of penecontemporaneously in English:

penecontemporaneously

adverb

Geology Archaeology
  • Almost contemporaneously; immediately after deposition.

Origin

1930s. From penecontemporaneous + -ly.

Pronunciation

penecontemporaneously

/ˌpiːnɪkəntɛmpəˈreɪnɪəsli//ˌpɛnɪkəntɛmpəˈreɪnɪəsli/