heavy

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heavy

1. having a relatively high density
2. (of soil) having a high clay content; cloggy
3. (of an industry) engaged in the large-scale complex manufacture of capital goods or extraction of raw materials
4. cloudy or overcast, esp threatening rain
5. (of an element or compound) being or containing an isotope with greater atomic weight than that of the naturally occurring element
6. Horse racing (of the going on a racecourse) soft and muddy
7. 
a. a villainous role
b. an actor who plays such a part
8. Scot strong bitter beer

… heavy

In R/T (radio telephony) terminology, it means large aircraft in the heavy wake turbulence category (e.g., “Air-India 123 heavy”). The suffix indicates that the aircraft is a large transport, alerting controllers and following aircraft to the possibility of wake turbulence.
References in periodicals archive ?
Johnson, President and CEO, commented, "The cost differential between sweet, low sulfur crude oil and heavier sour crude oil continues to drive oil refinery investments in equipment enhancements and upgrades.
Every time the heavier, inner body goes around the star five times, the outer body goes around exactly once.
The last two years he's been 20 pounds heavier during the offseason.
Expansion and revamp of the crude and vacuum units to increase crude capacity and allow the refinery to process heavier crude oils.
Because sound waves generated by a supermassive black hole may drive material out of these heavier galaxies, the black hole could limit the amount of material a galaxy can pack on, thereby restricting how big it can get.
Yet, when the bodies got heavier, the ``incremental decrease in attractiveness was slow compared to when the figures got skinnier,'' Tovee said.
The UOP/HYDRO MTO process converts methanol to ethylene and propylene along with some heavier olefins.
According to a widely accepted theory, the Big Bang forged nearly all of the hydrogen and helium in the universe but only trace amounts of a few other heavier elements.
The concern stems from a trend at many schools across the nation toward eliminating lockers for security and space reasons and the trend toward larger and heavier backpacks by manufacturers in the $4 billion-a-year school-supplies market.
For example, suppose the Higgs boson turns out to be heavier than the standard model predicts and is not just one particle, but a pair.
Airport officials were stunned in January when confronted with a 1969 Airport Commission resolution prohibiting planes heavier than 12,500 pounds from operating as charters or air taxis at the airport.