1. (noun) the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness

• algebra
• analysis situs
• topology
• arithmetic
• calculus
• infinitesimal calculus
• geometry
• group theory
• metamathematics
• numerical analysis
• set theory
• trig
• trigonometry

1. (noun) the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness

• math
• mathematics
• maths