2.0 Heat affects matter in different ways. 2.1 States of Matter and The Particle Model of Matter. Matter is made up of tiny particles and exists in three states: solid, liquid and gas. The Particle Model of Matter is a scientific description of the tiny particles that make up all things.
The definition of a bough is the branch of a tree. An example of bough is the branch of a cherry tree. branch of a tree, esp. a main branch. Origin of bough.
Hyponyms (each of the following is a kind of limb): stick (a small thin branch of a tree). bough (any of the larger branches of a tree). Holonyms (limb is a part of...): tree (a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms).