What does AT WT stand for?

Atomic Weight (also seen as AWT, without the space)

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Aviation Electronics Technician (Navy Rate) Aviation Electronics Technician (USN Rating) Awaiting Transfer Awaiting Transportation Azores Time (GMT-0200) In Transit (Austrian cancel mark; philately) Royal Air Maroc, Morocco (IATA airline code) total attainable search area (US DoD) Atomic Number (also seen as ATNO, without the space) Anterior & Posterior Temporal Muscles		Army Training for the Twenty-First Century Aggregate Technical and Commercial (India) Advanced Typography & Graphics Acquisition Technology and Logistics Austria Technologie Und Systemtechnik AG Atchison, Topeka, and Santa Fe Railroad [not an acronym] (originally American Telephone & Telegraph) All That & Then Some Advanced Technologies and Testing Laboratories (Florida; air quality testing) American Telephone & Telegraph Solutions

Samples in periodicals archive:

For each of these elements, the symbol, atomic number, atomic weight, melting and boiling points, and atomic radius is given.

The Chemical Elements: A Historical Perspective

It detectspotential explosives in a secret process by measuring the atomic weight anddensity of materials, matching them to data for banned substances such asinflammable liquids.

See-all airport X-ray

A second collection of verse by a Seattle poet ("Tarantella"), pondering subjects ranging from "The Atomic Weight of Lithium" to "Salt from Tide Floods Coming In.

Local offerings; Area libraries we love; Seattle in its best light

Whether dipole or quadrupole, the field alters the motion of ions in the stellar atmosphere, redistributing the particles into patches according to their atomic weight.

Magnetic star attracts astronomers

Ion implanters are used because of their ability to implant selected elements, called dopants, into the silicon wafers by bombarding them with a precisely controlled beam of electrically charged ions of specific atomic weight and energy.

Zacks.com Announces that Mike Chrisman Highlights the Following ...

The element -- whose nucleus of 118 protons and 179 neutrons gives it an atomic weight of 297 -- will be known as simply element 118 until it can be officially labeled NateNewtonium.

Sideline Chatter

Heavy water has hydrogen atoms of double the atomic weight, making it 10 pc heavier.

GETTING HEAVY OVER WATER; ANSWERS TO CORRESPONDANTS

By striking nuclei against each other, however, physicists can sometimes make them amalgamate for a fleeting moment into something like a supernucleus, with atomic weight around 500.

Positrons, electrons form supernuclei