para-


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para-

Do not confuse this prefix with pari- or peri-.
1. Prefix denoting a departure from the normal.
2. Prefix denoting involvement of two like parts or a pair.
3. Prefix denoting adjacent, alongside, near.
4. In chemistry, an italicized prefix denoting two substitutions in the benzene ring arranged symmetrically, that is, linked to opposite carbon atoms in the ring. For words beginning with para- or p-, see the specific name.
[G. alongside, near]

para-

1. word element [Gr.], beside; near; resembling; accessory to; beyond; apart from; abnormal.
2. symbol p-. In organic chemistry, indicating a substituted benzene ring whose substituents are on opposite carbon atoms in the ring.
Enlarge picture
Examples of benzene derivatives with substituents in the para- position. (A), p -xylene (1,4-dimethylbenzene); (B), p -nitrophenol.

para-, par-

prefix meaning "similar, beside, beyond, supplementary to, disordered": parabiosis, paramedical, paranoia, paraplegia.

para-

1. Prefix denoting a departure from the normal.
2. Prefix denoting involvement of two like parts or a pair.
3. Prefix denoting adjacent, beside, near.
4. chemistry An italicized prefix denoting two substitutions in the benzene ring arranged symmetrically, i.e., linked to opposite carbon atoms in the ring.
[G. alongside, near]

para-

Prefix denoting alongside, beyond, apart from, resembling or disordered.

para-

prefix denoting near to or surrounding.

para-

Do not confuse this prefix with pari- or peri-.
1. Prefix denoting a departure from the normal.
2. Prefix denoting involvement of two like parts or a pair.
3. Prefix denoting adjacent, alongside, near.
[G. alongside, near]

para-

word element. [Gr.] beside, beyond, accessory to, apart from, against. In chemistry, a prefix indicating the substitution in a derivative of the benzene ring of two atoms linked to opposite carbon atoms in the ring; abbreviated p-.