1. Fluorescence in lubricating oils or a cloudy surface on varnished or enameled surfaces. 2. To apply an anti-reflection coating to glass.


Related Terms

CONTACT THERMOGRAPHY

A method of measuring surface temperature in which a thin layer of luminescent material is spread on the surface of an object and is excited by ultraviolet radiation in a darkened room; the brightness of the coating indicates the surface temperature.

FLOW COAT

A coating formed by pouring a liquid material over the object and allowing it to flow over the surface and drain off.

BITUMASTIC

A tar based surface coating and waterproofing sealant used on a vessel's rust or leak prone structures.

RENDER

1) To give or supply. 2) To pass a rope through a component. 3) To cover a surface with a thin coating such as cement.

GEL COAT

The surface resin coating of a fibreglass lay-up, containing the colour pigment.

SPALLING

The breaking off of the surface refractory material as a result of internal stresses.

FORCE OF GRAVITY

The net attraction between all masses. Gravity attracts all of the particles of a mass and the net effect of this attraction at the earth's surface is equal to 9.81 Newton’s per kilogram. The force of gravity is often called weight.

EXTENDED AREA

An engineering surface that has been extended areawise without increasing diameter, as by using pleats (as in filter cartridges) or fins (as in heat exchangers).

BETTI'S METHOD

A method of finding the solution of the equations of equilibrium of an elastic body whose surface displacements are specified; it uses the fact that the dilatation is a harmonic function to reduce the problem to the Dirichlet problem.

DRESS

  1. To smooth the surface of concrete or stone. 2. The arrangement of connecting wires in a circuit to prevent undesirable coupling and feedback. 3. To shape a tool. 4. To restore a tool to its original shape and sharpness.

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