PER
Etymology 1
Preposition
per
For each.
To each, in each (used in expressing ratios of units).
(medicine) By the, by means of the, via the, through the.
In accordance with.
Usage notes
• In senses equivalent to "each", per is typically followed by a singular noun phrase with no determiner.
• The common exception is its use with plural noun phrases, although these are almost always limited to large round numbers such as 100, 1,000, 10,000...
• In medical senses, per is followed by the name of an orifice in Latin rather than English.
Synonyms
• (abbreviation) p, p, /, â…Ś UTF-16 0x214C, introduced in Unicode 4.1.0 (March 2005)
• an, a
Etymology 2
Pronoun
per third-person singular, gender-neutral, nominative case (accusative per, possessive adjective pers, possessive noun pers, reflexive perself)
(rare) They (singular). Gender-neutral neologistic third-person singular subject pronoun, coordinate with gendered pronouns he and she.
(rare) Them (singular) Neologistic gender-neutral third-person singular object pronoun, suggested for use in place of him and her.
Synonyms
• (singular) they
• ey, e, sie, shi, ze
Hyponyms
• (as subject): he, she
• (as object): him, her
Adjective
per (not comparable)
(rare) Belonging to per, their (singular). Gender-neutral third-person singular possessive adjective, coordinate with gendered his and her.
Synonyms
• (singular) their
• eir, hir
Hyponyms
• his, her
Anagrams
• EPR, ERP, RPE, Rep, Rep., pre, pre-, rep
Noun
PER
(nutrition) Initialism of protein efficiency ratio.
Anagrams
• EPR, ERP, RPE, Rep, Rep., pre, pre-, rep
Source: Wiktionary
Per-. Etym: [See Per.]
1. A prefix used to signify through, throughout, by, for, or as an
intensive as perhaps, by hap or chance; perennial, that lasts
throughout the year; perforce, through or by force; perfoliate,
perforate; perspicuous, evident throughout or very evident; perplex,
literally, to entangle very much.
2. (Chem.)
Definition: Originally, denoting that the element to the name of which it
is prefixed in the respective compounds exercised its highest
valence; now, only that the element has a higher valence than in
other similar compounds; thus, barium peroxide is the highest oxide
of barium; while nitrogen and manganese peroxides, so-called, are not
the highest oxides of those elements.
Per, prep. Etym: [L. Cf. Far, For-, Pardon, and cf. Par, prep.]
Definition: Through; by means of; through the agency of; by; for; for each;
as, per annum; per capita, by heads, or according to individuals; per
curiam, by the court; per se, by itself, of itself. Per is also
sometimes used with English words. Per annum, by the year; in each
successive year; annually.
– Per cent, Per centum, by the hundred; in the hundred; -- used
esp. of proportions of ingredients, rate or amount of interest, and
the like; commonly used in the shortened form per cent.
– Per diem, by the day. [For other phrases from the Latin, see
Quotations, Phrases, etc., from Foreign Languages, in the
Supplement.]
Source: Webster’s Unabridged Dictionary 1913 Edition