plural of top rake

(engineering) The angle that the front edge of the point of a tool is set back from the normal to the surface being cut.

present participle of top off

Third-person singular simple present indicative form of top off

(automotive) A semiconvertible car body style with a removable roof section and a full-width roll bar behind the seats.

plural of Targa top

Alternative form of flattop

plural of flat top

plural of flat-top

In locomotive boilers, a feed water check valve placed on the top of the boiler drum. This encourages rapid mixing of the cold feedwater with the hot steam, reducing the risk of thermal shock to the heated parts of the boiler.