Appreciable: Large enough to be noticed.
Approach: To come near to in distance or time.
Available: That you can get, buy or find.
Bond: A representation or a valency link by which one atom is attached to another in a chemical compound.
Bound: Held together firmly, to tie
Cleave: To split or cut
Cohesion: The attraction existing between molecules of the same kind. The force of reaction between similar molecules or molecules of the same substance.
Consequence: As a result of
Considerable: Great in amount, size, importance etc.
Consists: To have, possess
Crystal: A natural solid bounded by planes, a substance in which the constituents are arranged in a definite geometrical form
Crystal structure: The arrangement ...