PARA- • DICCIONARIO INGLES.COM • Definition of Para-

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prefix

Para- pref.

A prefix signifying alongside of, beside, beyond, against, amiss; as parable, literally, a placing beside; paradox, that which is contrary to opinion; parachronism.

(Chem.) 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.

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Etymology of 'Para-'

Collaborative International Dictionary of English 0.48

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"Para-" Quotes from Famous Books

... the way through the Processing Building, called back over his shoulder. "How many of them end up in prison? I mean, from the General Staff? The para-coms do, of course, they just can't adjust to civilian life and I think the Army should do something about that before they discharge them. But they never come here without an accompanying court order allowing us ...

— Take the Reason Prisoner • John Joseph McGuire

... give chloranil. Potassium permanganate in neutral solution oxidizes it to nitrobenzene, in alkaline solution to azobenzene, ammonia and oxalic acid, in acid solution to aniline black. Hypochlorous acid gives para-amino phenol and para-amino diphenylamine (E. Bamberger, Ber., 1898, 31, ...

— Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 • Various