Bubbles: Air bubbles in a drying paint film caused by excessive brushing during application or by over vigorous mixing that results in air trapment.

 

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Bubbles: Air bubbles in a drying paint film caused by excessive brushing during application or by over vigorous mixing that results in air trapment.

Acoustic Doppler Current Profiler (ADCP): Current measuring instrument employing the transmission of high frequency acoustic signals in the water. The current is determined by a Doppler shift in the backscatter echo from plankton, s . . . View Full Definition

Vesicle: Spherical or elongated cavities in an igneous rock that are created when a melt crystallizes with bubbles of gas trapped inside.

Air Bells: Bubbles of air clinging to the emulsion surface during processing.

Nucleation: The process of providing sites for 1) new bubbles to form in a liquid that is boiling or supersaturated with gas; 2) new droplets to condense from a supersaturated vapor, or 3) new crystals . . . View Full Definition

Colloid: A colloid is a heterogeneous mixture composed of tiny particles suspended in another material. The particles are larger than molecules but less than 1 µm in diameter. Particles this small do . . . View Full Definition

Behavioral Finance: Behavioral finance combines psychology and economics to explain why and how investors act and to analyze how that behavior affects the market. Behavioral finance theorists point to the marke . . . View Full Definition

Boiling: Conversion of liquid into gas as bubbles of gas that form within the liquid. Boiling begins at the temperature where the vapor pressure of a liquid would be equal to the external pressure on . . . View Full Definition

Blistering: The formation of bubbles or pimples on the painted surface caused by moisture in the wood by painting before the previous coat has dried thoroughly or by excessive heat or grease under the paint.

Foam: A colloid in which bubbles of gas are suspended in a solid or liquid. Aerogel (solid smoke) and Styrafoam are examples of solid foams; whipped cream is an example of a liquid foam.