plural of wage labor

plural of wage laborer

An oar that is worked with great effort. / (chiefly US, figuratively, by extension) The part of a task that requires the greatest effort to achieve.

People deserve to be rewarded for their efforts.

A room, building or institution equipped for scientific research, experimentation or analysis. / A place where chemicals, drugs or microbes are prepared or manufactured.

Requiring much physical effort; toilsome. / Mentally difficult; painstaking. / Industrious.

Making work easier or faster.

With great expenditure of effort, in a manner requiring much labor.

(chemistry) a laboratory designed for use with radioactive substances

plural of laboratory mouse