logo-, log-, -logia, -logic, -logical, -logism, -logician, -logian, -logue

Someone who is versed in animal (or vegetable) physiology; a student or teacher of the science of the functions and properties of organic bodies.

1. An excessive amount of talking.
2. Continuous and often incoherent speech.

1. A long introductory essay.
2. A preliminary discussion or introductory essay; especially, to a book or treatise.
3. Etymology: from Greek pro-, "before" plus logein, "to say"; that is, "to say before".

1. A piece of writing at the beginning of a book that introduces the story.
2. The beginning, or introductory passage, of a play, a movie, or a television program which introduces the contents.
3. An actor who speaks introductory lines to a dramatic performance before the main action starts.
4. An event or action that leads to something more important: "The husband's affair was a prologue to the complete breakdown of the couple's marriage."
5. Etymology: from Old French prologue (early 13th century), from Latin prologus, from Greek prologos, "prologue of a play, a speaker of a prologue"; literally, "a speech beforehand"; from pro-. "before" + logos, "discourse, speech" which came from legein, "to speak".

Pathological lying in speech or writing.

A catalogue of earthquake observations; a detailed account of earthquake phenomena.

1. A student, or specialist, of Chinese.
2. Someone who is versed in the Chinese language, literature, and history.

1. An argument or form of reasoning in which two statements or premises are made and a logical conclusion drawn from them: All mammals are warm-blooded (major premise); whales are mammals (minor premise); therefore, whales are warm-blooded (conclusion).
2. Reasoning from the general to the particular; deductive logic: A syllogism can be an instance of subtle, tricky, or specious reasoning; or one that seems to be true but is actually false or deceptive.

An abnormal rapidity of speech. It is used loosely to include an excessive amount of talking, which is more properly termed lalorrhea, logodiarrhea, logorrhea, polylogia, or polyphrasia.

1. Repeating the same thing in different words; tautological.
2. Involving or containing rhetorical tautology; redundant.
3. True by virtue of its logical form alone.

Meaningless words uttered by an insane or delirious patient.

1. An individual opinion about God or divinity, as distinguished from doctrine.
2. An epithet or way of speaking of God.