Reversible and irreversible crossword

change in character or composition, typically in a comparatively small but significant way.
make a marked change in the form, nature, or appearance of.
a distinct compound or substance, especially one which has been artificially prepared or purified.
relating to things perceived through the senses as opposed to the mind; tangible or concrete.
capable of being reversed so that the previous state is restored.
not able to be undone or altered.
make or become different.
form (something) by putting parts together or combining substances; create.
the visible shape or configuration of something.
a person or thing that gives rise to an action, phenomenon, or condition.