…variant spelling of ad- assimilated before c and q (as in accept, acquit, and acquiesce).…
…the chemical element of atomic number 89, a radioactive metallic element of the actinide series. It is rare in nature, occurring as an impurity in uranium ores…
…an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies…
…an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies…
