a. [ Gr. 'a priv. + &unr_; critical. ] (Med.) Having no crisis; giving no indications of a crisis; as, acritical symptoms, an acritical abscess. [ R. ] AS [ 1913 Webster ]
[ちょうおんぷ, chouonpu] (n) katakana-hiragana prolonged sound mark; macron (indicating a long vowel); circumflex (indicating a long vowel); modifier letter triangular colon (IPA diacritical)