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F-35
(aircraft) Lockheed Martin F-35 Lightning II
F-35s
360 degree feedback
(business) A system or process in which employees receive confidential, anonymous feedback from the people who work around them. This typically includes the employee's manager, peers, and direct reports.
phosphorus-31
sulfur-32
(physics) The major stable isotope of sulfur, ³²₁₆S, having sixteen protons and sixteen neutrons; it amounts to 95% of the element in nature
sulfur-35
(physics) A radioactive isotope of sulfur, ³⁵₁₆S, having sixteen protons and nineteen neutrons, and a half-life of about 87 days; it is used as a tracer
sulfur-34
(physics) A minor stable isotope of sulfur, ³⁴₁₆S, having sixteen protons and eighteen neutrons; it amounts to about 4% of the element in nature
chlorine-35
(physics) The major stable isotope of chlorine, ³⁵₁₇Cl, having seventeen protons and eighteen neutrons; it amounts to about 76% of the element in nature
sulfur-33
(physics) A minor stable isotope of sulfur, ³³₁₆S, having sixteen protons and seventeen neutrons; it amounts to less than 1% of the element in nature
chlorine-36
(physics) A long-lived radioactive isotope of chlorine, ³⁶₁₇Cl, having seventeen protons and nineteen neutrons, and a half-life of 3x10⁵ years; it can be used to date samples of groundwater
