The act or process of equating two or more things, or the state of those things being equal (that is, identical).
An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to determine a particular quantity.
A small correction to observed values to remove the effects of systematic errors in an observation.
A sentence, phrase or word which asks for information, reply or response; an interrogative.
A subject or topic for consideration or investigation.
A proposal to a meeting as a topic for deliberation.
A doubt or challenge about the truth, accuracy, or validity of a matter.
To ask a question or questions; inquire or seek to know; examine.
To ask questions of; to interrogate; to ask for information.
To raise doubts about; have doubts about.