Term: hot air: air that has been heated and tends to rise
Broader: matter: that which has mass and occupies space | Unrelated: areola: small space in a tissue or body part such as the area between veins on a leaf or an insect's wing
Broader: matter: that which has mass and occupies space | Unrelated: womanizer: a man who likes many women and has short sexual relationships with them
Broader: matter: that which has mass and occupies space | Unrelated: wading pool: a shallow pool for children
Broader: matter: that which has mass and occupies space | Unrelated: brown lemming: of northwestern Canada and Alaska
Broader: matter: that which has mass and occupies space | Unrelated: rig: gear (including necessary machinery) for a particular enterprise
Broader: matter: that which has mass and occupies space | Unrelated: reversion: (genetics) a return to a normal phenotype (usually resulting from a second mutation)
Broader: matter: that which has mass and occupies space | Unrelated: child welfare agency: an administrative unit responsible for social work concerned with the welfare and vocational training of children
Broader: matter: that which has mass and occupies space | Unrelated: tuareg: a member of a nomadic Berber people of the Sahara
Broader: matter: that which has mass and occupies space | Unrelated: follow-up: a piece of work that exploits or builds on earlier work
Broader: matter: that which has mass and occupies space | Unrelated: binary star: a system of two stars that revolve around each other under their mutual gravitation