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Lady :: Lady (n.) A woman of social distinction or position. In England, a title prefixed to the name of any woman whose husband is not of lower rank than a baron, or whose father was a nobleman not lower than an earl. The wife of a baronet or knight has the title of Lady by courtesy, but not by right..

Proto- :: Proto- () Sometimes used as equivalent to mono-, as indicating that the compound has but one atom of the element to the name of which it is prefixed. Also used adjectively..

Mistress :: Mistress (n.) A title of courtesy formerly prefixed to the name of a woman, married or unmarried, but now superseded by the contracted forms, Mrs., for a married, and Miss, for an unmarried, woman..

Retro- :: Retro- () A prefix or combining form signifying backward, back; as, retroact, to act backward; retrospect, a looking back..

Trans- :: Trans- () A prefix, signifying over, beyond, through and through, on the other side, as in transalpine, beyond the Alps; transform, to form through and through, that is, anew, transfigure..

Ferro- :: Ferro- () A prefix, or combining form, indicating ferrous iron as an ingredient; as, ferrocyanide..

Neo- :: Neo- () A prefix meaning new, recent, late; and in chemistry designating specifically that variety of metameric hydrocarbons which, when the name was applied, had been recently classified, and in which at least one carbon atom in connected directly with four other carbon atoms; -- contrasted with normal and iso-; as, neopentane; the neoparaffins. Also used adjectively..

Trimethyl :: Trimethyl () A prefix or combining form (also used adjectively) indicating the presence of three methyl groups.

Haemo- :: Haemo- (prefix.) See Haema-.

Sub :: Sub- () A prefix denoting that the ingredient (of a compound) signified by the term to which it is prefixed,is present in only a small proportion, or less than the normal amount; as, subsulphide, suboxide, etc. Prefixed to the name of a salt it is equivalent to basic; as, subacetate or basic acetate..

Ra- :: Ra- () A prefix, from the Latin re and ad combined, coming to us through the French and Italian. See Re-, and Ad-..

Inter- :: Inter- () A prefix signifying among, between, amid; as, interact, interarticular, intermit..

Para- :: Para- () A prefix denoting: (a) Likeness, similarity, or connection, or that the substance resembles, but is distinct from, that to the name of which it is prefixed; as paraldehyde, paraconine, etc.; also, an isomeric modification. (b) Specifically: (Organ. Chem.) That two groups or radicals substituted in the benzene nucleus are opposite, or in the respective positions 1 and 4; 2 and 5; or 3 and 6, as paraxylene; paroxybenzoic acid. Cf. Ortho-, and Meta-. Also used adjectively..

Mirza :: Mirza (n.) The common title of honor in Persia, prefixed to the surname of an individual. When appended to the surname, it signifies Prince..

Counter :: Counter (adv.) A prefix meaning contrary, opposite, in opposition; as, counteract, counterbalance, countercheck. See Counter, adv. & a..

Chloro- :: Chloro- () A prefix denoting that chlorine is an ingredient in the substance named.

Dedication :: Dedication (n.) An address to a patron or friend, prefixed to a book, testifying respect, and often recommending the work to his special protection and favor..

Eu :: Eu () A prefix used frequently in composition, signifying well, good, advantageous; -- the opposite of dys-..

Ana- :: Ana- () A prefix in words from the Greek, denoting up, upward, throughout, backward, back, again, anew..

Prefix :: Prefix (v. t.) To set or appoint beforehand; to settle or establish antecedently.

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