Defn: Repeating the same thing in different words; tautological. [R.]
Tooke.
TAUTOLOGY
Tau*tol"o*gy, n. Etym: [L. tautologia, Gr. tautologie.] (Rhet.)
Defn: A repetition of the same meaning in different words; needless repetition of an idea in different words or phrases; a representation of anything as the cause, condition, or consequence of itself, as in the following lines: — The dawn is overcast, the morning lowers, And heavily in clouds brings on the day. Addison.
Syn. — Repetition. — Tautology, Repetition. There may be frequent repetitions (as in legal instruments) which are warranted either by necessity or convenience; but tautology is always a fault, being a sameness of expression which adds nothing to the sense or the sound.
TAUTOMERIC
Tau`to*mer"ic, a. (Chem.)
Defn: Relating to, or characterized by, tautomerism.
TAUTOMERISM
Tau*tom"er*ism, n. Etym: [Gr. (Chem.)
Defn: The condition, quality, or relation of metameric substances, or their respective derivatives, which are more or less interchangeable, according as one form or the other is the more stable. It is a special case of metamerism; thus, the lactam and the lactim compounds exhibit tautomerism.
TAUTOOUSIAN; TAUTOOUSIOUS
Tau`to*ou"si*an, Tau`to*ou"si*ous, a. Etym: [Gr.
Defn: Having the same essence; being identically of the same nature.
[R.] Cudworth.