The word air is a noun. Air means (1) travel via aircraft, (2) a distinctive but intangible quality surrounding a person or thing, (3) medium for radio and television broadcasting, (4) a succession of notes forming a distinctive sequence, (5) the mass of air surrounding the Earth, (6) the region above the ground, (7) a slight wind (usually refreshing), (8) a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of, (9) once thought to be one of four elements composing the universe (Empedocles).
Air is also a verb that means (1) expose to cool or cold air so as to cool or freshen, (2) expose to warm or heated air, so as to dry, (3) make public, (4) broadcast over the airwaves, as in radio or television, (5) be broadcast, (6) expose to fresh air.
The following articles and web pages elaborate on the word air.
Air purifiers filter dust, smoke, pollen, pet dander, mold spores, and other airborne particulates in the air. Learn more about air purifiers and how they work.
Browse this air conditioning manufacturer directory for information about air conditioning manufacturers and distributors in the United States. The concept drawing on this page depicts the concepts of residential air conditioning and heating.
Browse this air duct cleaning directory for information about air duct cleaning services in the United States. The photograph on this page depicts sheet metal air conditioning ducts.
Visit this hot air balloon manufacturer directory for information about hot and cold air balloon manufacturers and wholesalers in the United States. The photo on this page shows a hot air balloon against a blue sky background.
Room air conditioners are typically used to cool one or two rooms and are inexpensive alternatives to central air conditioning systems. Most units are designed to fit conveniently in a double-hung window.
Visit this auto air conditioning and heating retailer directory to find auto air conditioning and auto heating suppliers in the United States. The macro photo on this page shows an automobile air conditioner control knob.
Air tools are an important addition to any serious tool chest. Read about the many types of air tools used by mechanics, carpenters, and woodworkers as well as house painters and do-it-yourselfers.
An air mattress is a convenient way to bring a stow-away bed for camping or travel. AirMattresses.us is a source for consumer information about air mattress features and construction.
Air traffic controllers help ensure the travel safety of both commercial and private aircraft. Learn more about the role of air traffic controllers with this helpful article.
Picture of a central air conditioning compressor partially covered with snow. Central air conditioning is a luxury on hot summer days, and a must in sticky, humid climates.
Central air conditioning helps keeps home and buildings cool on hot, muggy days. Learn more about how it works with this helpful guide to central air.
This is the official website for the U.S. Air Force. On the site users can find news of AF activities around the world, TV and radio broadcast information, information about the organization of the Air Force and how to join, and much more.
This website, in English and French, is the for the airline Air Canada, the 14th largest commercial airline in the world. Air Canada serves over 32 million customers on five continents annually. On the website, users can find out about flights, schedules, and fares. Users can also book flights, cars, hotels, and vacations. The site contains information about travel restrictions and more.
Browse this air transportation provider directory to learn about air transportation services in the United States of America. The photo on this page shows airline passengers in a commercial jetliner.
Browse this air ambulance service provider directory to learn about air ambulance services in the United States of America. The photo on this page shows a red air ambulance flying in the sky.
Browse this air courier service provider directory to learn about air courier services in the United States of America. The drawing on this page illustrates the concept of delivering packages by air.
This is the website for Air France where users can book flights, check flight statuses, find out about travel restrictions, check on AF special deals, and sign up for a free newsletter.
Ryan Air, an economy airline that was established in 1985, flies to destinations in Europe and the UK. On the website, users can check schedules, book flights, rent cars, book hotels, get travel insurance, look at travel guides, find out about special deals, and play online games on the Ryanair Casino.
This page lists several air conditioning contractors and associations and gives a description of each organization. Links to a/c organization websites are included.
Delta Airlines and its affiliates offer more 479 destinations in 105 locations. On the website, users can book flights, check schedules, search Hilton hotels and Avis and Budget car rentals, check special deals and offers on flights and vacation packages, find out about airport regulations, sign up for and keep track of Sky Miles, and more.
HEPA filters are designed to filter the air by trapping 99.9% of airborne particles, such as dust, pollen, and tobacco smoke. HEPA stands for High Efficiency Particulate Air (filter).
A bicycle pump is a cycling accessory that is used to fill bicycle tire tubes with air. The floor-fit pump, the frame-fit pump, and the mini pump are three common bicycle pump styles.