Definition of para- in English:

para-1

(also par-)

prefix

1Beside; adjacent to: parataxis parathyroid
1.1Beyond or distinct from, but analogous to: paramilitary paratyphoid
2 Chemistry Denoting substitution at diametrically opposite carbon atoms in a benzene ring, e.g. in 1,4 positions: paradichlorobenzene Compare with meta- and ortho-.

Origin

from Greek para 'beside'; in combinations often meaning 'amiss, irregular' and denoting alteration or modification.

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Word of the day grammarian
Pronunciation: grəˈmɛːrɪən
noun
a person who studies and writes about grammar