An insulated unit, compartment, or room in which perishable foods are quick-frozen and stored.


Related Terms

METAL OXIDE SEMICONDUCTOR FIELD-EFFECT TRANSISTOR

A field-effect transistor having a gate that is insulated from the semiconductor substrate by a thin layer of silicon dioxide. Abbreviated MOSFET; MOST; MOS transistor. Formerly known as insulated-gate field-effect transistor (IGFET).

INSULATED-SUBSTRATE MONOLITHIC CIRCUIT

Integrated circuit which may be either an alldiffused device or a compatible structure so constructed that the components within the silicon substrate are insulated from one another by a layer of silicon dioxide, instead of reverse-biased pn junctions used for isolation in other techniques.

INSULATED

Separated from other conducting surfaces by a nonconducting material.

HEMISPHERICAL PYRHELIOMETER

An instrument for measuring the total solar energy from the sun and sky striking a horizontal surface, in which a thermopile measures the temperature difference between white and black portions of a thermally insulated horizontal target within a partially evacuated transparent sphere or hemisphere.

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