丈夫 is the standard/formal word for husband. In casual speech, 老公 (lǎogōng) is more common. The counterpart for wife is 妻子 (qīzi) formally or 老婆 (lǎopó) casually.
culture
In classical Chinese, 丈夫 meant 'great man' or 'real man,' a broader meaning than just 'husband.'
