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adiactinic

adjective
adi·​ac·​tin·​ic | \ ¦ā-ˌdī-ˌak-¦ti-nik, -ˌdī-ək-\

Definition of adiactinic

: not transmitting actinic rays

First Known Use of adiactinic

1845, in the meaning defined above

History and Etymology for adiactinic

a- entry 2 + diactinic

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