Interphase - Definition and Stages - Biology Dictionary
Interphase is the longest stage in the eukaryote cell cycle. During interphase, the cell acquires nutrients, creates and uses proteins and other molecules, and starts the process of cell division by replicating the DNA.

Interphase - Wikipedia
Interphase is the "daily living" or metabolic phase of the cell, in which the cell obtains nutrients and metabolizes them, grows, replicates its DNA in preparation for mitosis, and conducts other "normal" cell functions.

The Stages of Mitosis and Cell Division - ThoughtCo
Before a dividing cell enters mitosis, it undergoes a period of growth called interphase. About 90% of a cell's time in the normal cell cycle may be spent in interphase. G1 phase: The period before the synthesis of DNA. In this phase, the cell increases in mass in preparation for cell division.

10.2A: Interphase - Biology LibreTexts
During interphase, the cell undergoes normal growth processes while also preparing for cell division. In order for a cell to move from interphase into the mitotic phase, many internal and external conditions must be met. The three stages of interphase are called G 1, S, and G 2 .

Interphase: Stages, Cell cycle, Diagram, Video - Microbe Notes
The interphase is the preparation phase for mitosis and it is also the longest phase in the cell cycle. The interphase takes place in the cytoplasm and the cell nucleus. Figure: The Stages of Interphase and the Cell Cycle. Image Source: OpenStax (Rice University).

Khan Academy
Learn about the phases of the cell cycle, including interphase and mitosis, in this Khan Academy article.

Interphase - Definition and Examples - Biology Online Dictionary
Interphase is the cell cycle phase characterized by increased cell size, DNA replication, and the cell’s overall preparation for division.