1. plural of aerospace; the earth's atmosphere and the space beyond it, especially as a region for aircraft and spacecraft operations
Usage: typically used in technical, scientific, or industrial contexts
2. plural of aerospace; industries, technologies, or organizations involved in the design, manufacture, and operation of aircraft and spacecraft
Usage: often used attributively (e.g., 'aerospace companies')

Examples

• Multiple aerospaces are being explored for commercial travel.
• The aerospaces division of the company focuses on satellite technology.
• Engineers working in aerospaces must understand both atmospheric and vacuum conditions.
• Several nations are competing in the aerospaces sector.
• The conference brought together experts from different aerospaces industries.
• Modern aerospaces research has led to advances in materials science.