As a verb rock

is (rycka).

As a noun gritstone is

a form of sedimentary rock, similar to sandstone but coarser.

As nouns the difference between sandstone and gritstone

is that sandstone is a sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc while gritstone is a form of sedimentary rock, similar to sandstone but coarser.

As an adjective coarse

is composed of large parts or particles; of inferior quality or appearance; not fine in material or close in texture.

As a noun gritstone is

a form of sedimentary rock, similar to sandstone but coarser.

As nouns the difference between town and docklands

is that town is a settlement; an area with residential districts, shops and amenities, and its own local government; especially one larger than a village and smaller than a city while docklands is an area of a town or city which contains, or used to contain, an industrial port.

As a proper noun city

is (uk) a popular shortened form of the city of london, the historic core of london where the roman settlement of londinium was established.

As a noun docklands is

an area of a town or city which contains, or used to contain, an industrial port.

As nouns the difference between industrial and docklands

is that industrial is an employee in industry while docklands is an area of a town or city which contains, or used to contain, an industrial port.

As an adjective industrial

is of or relating to industry, notably manufacturing.

As a noun enthalpy

is in thermodynamics, a measure of the heat content of a chemical or physical system.

As an adjective enthalpic is

of or pertaining to enthalpy.

As a noun crossbenches

is the seats in either house of the British parliament, or a similar assembly, used by members who do not vote regularly with either the government or the main opposition party.

As an adjective crossbench is

of or pertaining to the crossbenches in the UK houses of parliament.

As adjectives the difference between independent and crossbench

is that independent is not dependent; not contingent or depending on something else; free while crossbench is of or pertaining to the crossbenches in the UK houses of parliament.

As a noun independent

is a candidate or voter not affiliated with any political party, a free thinker, free of a party platform.

As a proper noun parliament

is any of several parliaments of various countries.

As a noun crossbenches is

the seats in either house of the british parliament, or a similar assembly, used by members who do not vote regularly with either the government or the main opposition.