1 Hot Foods and Drinks. Foods and beverages that are hot or spicy can burn or irritate the taste buds.  Smoking: Tobacco smoke, alcohol and insecticides can irritate inflammation or make it worse if it is already present.
The definition of a hat is a covering for the head, or someone's role in a job or in life. An example of a hat is a fedora. An example of a hat is the role of teacher. a covering for the head, usually with a brim and a crown.
The hat is a caret-shaped symbol commonly placed on top of variables to give them special meaning. The symbol is voiced  -hat (or sometimes as  -roof) in mathematics, but is more commonly known as the circumflex in linguistics (Bringhurst 1997, p. 274). Uses of the hat in mathematics include:1.To denote a unit vector (e.g.,) or an estimator (e.g.,).2.he hat is a caret-shaped symbol commonly placed on top of variables to give them special meaning. The symbol is voiced  -hat (or sometimes as  -roof) in mathematics, but is more commonly known as the circumflex in linguistics (Bringhurst 1997, p. 274). Uses of the hat in mathematics include: