The process of becoming larger, or of making something larger in size, amount, or range. It can describe physical growth, business growth, or the spread of ideas and systems.
From Latin *expansio* ‘a spreading out’, from *expandere* ‘to spread out’. The noun form focuses on the ongoing process or result of spreading.
The universe itself is in expansion, meaning space is literally stretching between galaxies. The same word that describes a growing company also describes the largest known change happening to everything.
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