molecule (n.)
- ace
- acid
- acidity
- agent
- air
- alkali
- alkalinity
- anion
- antacid
- atom
- base
- bit
- cation
- chain
- chemical
- component
- compound
- constituent
- copolymer
- cycle
- dab
- dimer
- dole
- dot
- dram
- dribble
- driblet
- dwarf
- earth
- electron
- element
- farthing
- fire
- fleck
- flyspeck
- fragment
- gobbet
- grain
- granule
- groat
- hair
- handful
- heterocycle
- hyle
- hypostasis
- ion
- iota
- isomer
- jot
- lattice
- little
- lota
- macromolecule
- material
- materiality
- matter
- meson
- minim
- minimum
- mite
- modicum
- monad
- monomer
- mote
- nature
- nutshell
- ounce
- oxyacid
- particle
- pebble
- pinch
- pittance
- plenum
- point
- polymer
- proton
- quark
- radical
- ray
- reagent
- ring
- scruple
- smidgen
- speck
- spoonful
- spot
- stuff
- substance
- substratum
- thimbleful
- tittle
- trimer
- trivia
- water
- whit