Air
Part of speech: verb
Definition: To bring (something) into contact with the air, so as to freshen or dry it. To let fresh air into a room or a building, to ventilate. To discuss varying viewpoints on a given topic. To broadcast, as with a television show.
Part of speech: noun
Definition: The atmospheric substance above the surface of the earth which animals breathe, formerly considered to be a single substance, one of the four basic elements of ancient philosophy and one of the five basic elements of Eastern traditions. Now understood as the mixture of gases comprising the earth's atmosphere. The apparently open space above the ground; the mass of this substance around the earth. A feeling or sense. A sense of poise, graciousness, or quality. Pretension; snobbishness; pretence that one is better than others. A song, especially a solo; an aria. An air conditioner or the processed air it produces. Any specific gas. A jump in which one becomes airborne.
Vacuum
Part of speech: noun
Definition: A region of space that contains no matter.A vacuum cleaner.
Part of speech: verb
Definition: To clean (something) with a vacuum cleaner.To use a vacuum cleaner.