continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

Of the top layer; not deep or meaningful. Top layer of the ground or of water. rise or come up to surface of water or ground.

Relevant; (of evidence) important or significant. Supplies or data needed to do a certain thing.

Not of the same kind; unlike other things.

An oxide containing two oxides per molecule.

length of space between two points. To make it clear that you are not involved.

To give someone a particular job to do.

make something continue indefinitely.

So as to express the exact meaning of something.

microscopic network of protein filaments and tubules in cytoplasm of many living cells, giving them shape and coherence. A microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence.

spread out over large area. To cause something to spread through a large area.

railway in which track consists of single rail.

several organized or specialized structures within living cell. Subpart of a cell with a specific function.

Machines in general.

create or design.