molecule

noun molecule

• fragment — fragmentation
• particle — a minute portion, piece, fragment, or amount; a tiny or very small bit: a particle of dust; not a particle of supporting evidence.
• jot — to write or mark down quickly or briefly (usually followed by down): Jot down his license number.
• speck — a small spot differing in color or substance from that of the surface or material upon which it appears or lies: Specks of soot on the window sill.
• minim — the smallest unit of liquid measure, 1/60 (0.0167) of a fluid dram, roughly equivalent to one drop. Symbol: ♍, ♏. Abbreviation: min, min.;