A person who studies the origin of the words and its meaning is called an etymologist. Etymology is a branch of linguistics. I think all these are terms are named in English language, in every developed language there is a different term for each studies.
The wisdom of using an electric heater depends on the per kilowatt cost in your region. 1  If your heater has a 1000 watt rating and your cost of electricity is $0.15/Kwh your cost to operate for one hour would be $0.15. 2  If the element is activated 10 hours out of every 24 hours your cost per day would be $1.50.
Cost per kilowatt hour will determine how much it costs to run an electric heater. All electric heaters run on the principle of turning electricity into heat. The most common way to do this is to power up a wire coil and then use a small built-in fan to blow the heat out of the heating enclosure.ind out what you are paying your local electric company per kilowatt hour. For example, in San Francisco, the average cost of a kilowatt hour is 20 cents per hour.