1. the periods between the active phases of mitosis when a cell grows and replicates its DNA
Usage: biology
2. boundary regions between different phases of matter in a material system
Usage: chemistry; materials science

Examples

• During interphases, cells prepare for division by duplicating their genetic material.
• The microscope revealed cells in various stages of interphases.
• Scientists study the interphases between liquid and solid components in alloys.
• The material’s strength depends on the properties of its interphases.
• Interphases in composite materials affect overall performance.
• Cell biologists focus on what happens during interphases of the cell cycle.