from The American Heritage® Dictionary of the English Language, 4th Edition
- Beside; near; alongside: parathyroid.
- Beyond: paranormal.
- Incorrect; abnormal: paresthesia.
- Similar to; resembling: paratyphoid fever.
- Subsidiary; assistant: paraprofessional.
- Isomeric; polymeric: paraldehyde.
- A diatomic molecule in which the nuclei have opposite spin directions: parahydrogen.
- Of or relating to one of three possible isomers of a benzene ring with two attached chemical groups in which the carbon atoms with attached groups are separated by two unsubstituted carbon atoms: para-aminobenzoic acid.
- Parachute; parachutist: paratroops.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Forming words relating to activities carried out with a parachute.
- above, beyond
- beside, near, alongside
- abnormal, incorrect
- In isomeric benzene derivatives, having the two substituents in opposite positions (compare ortho- and meta-.)
from the GNU version of the Collaborative International Dictionary of English
- A prefix signifying alongside of, beside, beyond, against, amiss; as parable, literally, a placing beside; paradox, that which is contrary to opinion; parachronism.
- 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.
Greek, from para, beside.
From parachute.(American Heritage® Dictionary of the English Language, Fourth Edition)
From parachute (Wiktionary)
From Ancient Greek παρά (para, "beside; next to, near, from; against, contrary to"). (Wiktionary)