Subatomic particle and Ultraelementary particle

Subatomic particle noun - A body having finite mass and internal structure but negligible dimensions.

Ultraelementary particle and subatomic particle are semantically related in basic constituent of matter topic. In some cases you can use "Ultraelementary particle" instead a noun phrase "Subatomic particle".

Subatomic particle and ultraelementary particle are semantically related in basic constituent of matter topic. You can use "Subatomic particle" instead a noun phrase "Ultraelementary particle".