1. plural of subspace: in mathematics, a subset of a vector space that is itself a vector space under the same operations
Usage: mathematics; linear algebra
2. plural of subspace: in science fiction, alternate dimensions or regions of space-time used for faster-than-light communication or travel
Usage: science fiction

Examples

• The professor explained how to identify subspaces within larger vector spaces.
• Linear combinations of vectors in subspaces must remain within those subspaces.
• The mathematician studied the properties of various subspaces in her research.
• In the movie, ships communicated through subspaces across vast distances.
• The science fiction novel featured travel through mysterious subspaces.
• Subspaces in linear algebra have specific mathematical requirements.
• The spacecraft detected anomalies in nearby subspaces.