The term 'minute particle' can refer to a variety of small particles, including atoms (4 letters), scintillas (9 letters), molecules (8 letters), dots (3 letters), fragments (8 letters), jots (3 letters), and MOTE (4 letters). An ATOM is the smallest unit of matter that retains its chemical properties. A SCINTILLA is a tiny spark or flash of light. A MOLECULE is a group of two or more atoms held together by chemical bonds. A DOT is a small, round mark. A FRAGMENT is a piece broken off from a larger whole. A JOT is a very small amount or degree. Finally, a MOTE is a small particle of dust or other matter.