A thermometer designed to measure the temperature of a cooking mixture of sugar and water.

A thermal insulator placed between two thermal conductors to reduce the flow of heat; often used in aluminum doors and windows.

(chemistry, metallurgy) Any of several analytical techniques that monitor the chemical and physical changes that occur as a material is heated.

In any situation, however well planned, something can always go wrong.

(idiomatic) An invitation for the addressee to slap the speaker's palm in greeting or celebration.

Synonym of hello (“a greeting”)

A signal phrase that one does not wish to offend when discussing a potentially contentious issue involving personal beliefs.

(informal) To discuss a subject that is usually avoided as taboo or controversial.

Alternative form of there's no such thing as a free lunch

Nothing is free; even things that appear free often have to be paid in the end.