from The American Heritage® Dictionary of the English Language, 4th Edition
- prep. To, for, or by each; for every: Gasoline once cost 40 cents per gallon.
- prep. According to; by: Changes were made to the manuscript per the author's instructions.
- prep. By means of; through.
- adv. Informal For each one; apiece: sold the cookies for one dollar per.
- adv. Informal Per hour: was driving at 60 miles per.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- prep. for each
- prep. to each, in each (used in expressing ratios of units)
- prep. via (the), by (the), through (the) (followed by Latin name for an orifice)
- prep. in accordance with
- pro. they (singular). Gender-neutral third-person singular subject pronoun, coordinate with gendered pronouns he and she.
- pro. them (singular) Gender-neutral third-person singular object pronoun, grammatically equivalent to the gendered him and her.
- adj. Belonging to per, their (singular). Gender-neutral third-person singular possessive adjective, coordinate with gendered his and her.
from the GNU version of the Collaborative International Dictionary of English
- prep. Through; by means of; through the agency of; by; for; for each. Per is also sometimes used with English words.
from The Century Dictionary and Cyclopedia
- Through; by means of.
- A prefix of Latin origin, meaning primarily ‘through.’ See the etymology.
- As an inseparable prefix of intensity, ‘thoroughly,’ ‘very,’ as in peracute, perfervid, pellucid; specifically, in chem., noting the maximum or an unusual amount, as peroxid, the highest oxid, or an oxid containing more oxygen than the protoxid, etc.
- n. In petrography, in the quantitative system of classification of igneous rocks (see rock), a prefix used to form adjectives, and showing that the factor or component indicated is present in any division of igneous rocks, alone or in extreme amount — that is, that its ratio to another factor is greater than : as, peralkalic, perfelic, perfemane, perfemic, etc.
- n. An abbreviation of period.
Latin; see per1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin per ("through, during"), from Proto-Indo-European *per. (Wiktionary)
shortening of person, coined by Marge Piercy in Woman on the Edge of Time (1979) (Wiktionary)