n. [ L. alogia, Gr. &unr_;, fr. 'a priv. + &unr_; reason. ] Unreasonableness; absurdity. [ Obs. ] [ 1913 Webster ]

n.; pl. Analogies [ L. analogia, Gr. &unr_;, fr. &unr_;: cf. F. analogie. See Analogous. ] 1. A resemblance of relations; an agreement or likeness between things in some circumstances or effects, when the things are otherwise entirely different. Thus, learning enlightens the mind, because it is to the mind what light is to the eye, enabling it to discover things before hidden. [ 1913 Webster ]

Followed by between, to, or with; as, there is an analogy between these objects, or one thing has an analogy to or with another. [ 1913 Webster ]

☞ Analogy is very commonly used to denote similarity or essential resemblance; but its specific meaning is a similarity of relations, and in this consists the difference between the argument from example and that from analogy. In the former, we argue from the mere similarity of two things; in the latter, from the similarity of their relations. Karslake. [ 1913 Webster ]

2. (Biol.) A relation or correspondence in function, between organs or parts which are decidedly different. [ 1913 Webster ]

3. (Geom.) Proportion; equality of ratios. [ 1913 Webster ]

4. (Gram.) Conformity of words to the genius, structure, or general rules of a language; similarity of origin, inflection, or principle of pronunciation, and the like, as opposed to anomaly. Johnson. [ 1913 Webster ]

n. [ L. crusta shell + -logy. ] Crustaceology. [ 1913 Webster ]

n. [ Gr. &unr_; thought + -logy. ] The science of the dianoetic faculties, and their operations. Sir W. Hamilton. [ 1913 Webster ]

n.; pl. Genealogies [ OE. genealogi, genelogie, OF. genelogie, F. généalogie, L. genealogia, fr. Gr. &unr_;; &unr_; birth, race, descent (akin to L. genus) + &unr_; discourse. ] [ 1913 Webster ]

1. An account or history of the descent of a person or family from an ancestor; enumeration of ancestors and their children in the natural order of succession; a pedigree. [ 1913 Webster ]

2. Regular descent of a person or family from a progenitor; pedigree; lineage. [ 1913 Webster ]

n. [ Gr. geneqlhalogi`a astrology; gene`qlh birth + lo`gos discourse. ] Divination as to the destinies of one newly born; the act or art of casting nativities; astrology. [ 1913 Webster ]

n. [ Mamma breast + -logy: cf. f. mammalogie. ] The science which relates to mammals or the Mammalia. See Mammalia. [ 1913 Webster ]

n.; pl. Mineralogies [ Mineral + -logy: cf. F. minéralogie. ] [ 1913 Webster ]

1. The science which treats of minerals, and teaches how to describe, distinguish, and classify them. [ 1913 Webster ]

2. A treatise or book on this science. [ 1913 Webster ]

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n. [ Gr. paralogi`a; para` beside, beyond + lo`gos reason. ] False reasoning; paralogism. [ 1913 Webster ]

n. See Petrology. [ 1913 Webster ]

n. [ Gr. &unr_;; te`tra- (see Tetra-) + &unr_; a speech, discourse: cf. F. tétralogie. ] (Gr. Drama) A group or series of four dramatic pieces, three tragedies and one satyric, or comic, piece (or sometimes four tragedies), represented consequently on the Attic stage at the Dionysiac festival. [ 1913 Webster ]

☞ A group or series of three tragedies, exhibited together without a fourth piese, was called a trilogy. [ 1913 Webster ]