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verb (emits, emitting, emitted) with object

produce and discharge (something, especially gas or radiation):

«…から» 〈光･音･熱･においなど〉を発する, 放射する; 〈化学物質･ガスなど〉を出す, 排出［噴出］する «from»

e.g. coal-fired power stations continue to emit large quantities of sulfur dioxide.

make (a sound):

｟かたく｠ 〈声など〉を出す, たてる; 〈意見など〉を言う

e.g. she emitted a sound like laughter.

issue formally and with authority; put into circulation, especially currency.

〈紙幣など〉を発行する

early 17th century: from Latin emittere, from e- (variant of ex-) ‘out of’ + mittere ‘send’.