[ ˌsɪm(ə)l'teɪnɪəs ]
■ adjective occurring, operating, or done at the same time.
Derivatives
simultaneity -tə'ni:ɪti , -tə'neɪɪti noun
~ly adverb
~ness noun
Origin
C17: based on L. simul 'at the same time', prob. influenced by late L. momentaneus .
[ ˌsɪm(ə)l'teɪnɪəs ]
■ adjective occurring, operating, or done at the same time.
Derivatives
simultaneity -tə'ni:ɪti , -tə'neɪɪti noun
~ly adverb
~ness noun
Origin
C17: based on L. simul 'at the same time', prob. influenced by late L. momentaneus .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004