the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to, or denoting, any one of a series of compounds of certain metallic elements with organic radicals; as, zinc methyl, sodium ethyl, etc.; now usually organometallic.
The Century Dictionary and Cyclopedia
Pertaining to a compound consisting of a metal in combination with one or more organic radicals, such as zinc methyl, Zn(CH3)2, or magnesium ethyl iodide, MgIC2H5.
Word Usage
"The LED industry has added significant MOCVD metalorganic chemical vapour deposition - equipment used to make LEDs capacity over the last 2 years, some of it to meet genuine demand, but a majority of the incremental capacity adds were encouraged by subsidies in China."