Act of changing the shape, details, appearance of.

Not of the same kind; unlike other things. alter coat of arms.

effective resistance of electric circuit or component to alternating current, arising from combined effects of ohmic resistance and reactance.

person who drives vehicle. A club with a wooden head used when playing golf.

Used before you explain something simply, clearly.

electrical device worn on ear to receive radio or telephone communications or to listen to radio.

To make a copy of something.

For a reason.

To make someone known to another by name.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.

rate at which something occurs. How often something happens.

point or place of crossing from one side to other.

having specified appearance. To appear to be when you look at them; seem.

person or company that makes goods for sale. Groups or companies that make a certain product.