释义 |
bluer I. bluer comparative of blue II. blu·er \ˈblüə(r)\ noun (-s) Etymology: blue (III) + -er : one that works at or supervises bluing: as a. : a worker who colors the metal parts of guns by immersing them in bluing chemicals or by heat-treating b. : an auto worker who tests the seating of valves by rotating them after smearing them with a blue compound that will show up high spots |