• Webster's Revised Unabridged Dictionary
    • Per- 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.
    • Per- (Chem) 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.
    • ***

Additional illustrations & photos:



  • June Jordan
    “The purpose of polite behavior is never virtuous. Deceit, surrender, and concealment: these are not virtues. The goal of the mannerly is comfort, per se.”
  • Tommy Steele
    Tommy Steele
    “Show business is really 90 per cent luck and 10 per cent being able to handle it when it gets offered to you.”
  • John Mortimer
    John Mortimer
    “Farce is tragedy played at a thousand revolutions per minute.”
  • Robert Benchley
    Robert Benchley
    “The free-lance writer is a man who is paid per piece or per word or perhaps.”


Webster's Revised Unabridged Dictionary
See Per


In literature:

Of 799 graduates 67.3 per cent of the males were married, and 31.1 per cent of the females were married.
"The Journal of Negro History, Volume 5, 1920" by Various
This ten per cent was supposed to be his profit, but forty per cent would have been nearer it.
"Little Journeys to the Homes of the Great, Volume 11 (of 14)" by Elbert Hubbard
Cento Racconti per divertire gli amici nelle ore oziose e nuovi brindisi per spasso nelle tavole e nelle conversazioni.
"Italian Popular Tales" by Thomas Frederick Crane
Quidquid optamus, Per te speramus; Ora, Ora pro nobis.
"The St. Gregory Hymnal and Catholic Choir Book" by Various
The rural loss in Indiana was 5.5 per cent, and in Ohio 1.3 per cent.
"History of the United States, Volume 6 (of 6)" by E. Benjamin Andrews
Make a bath of 15 to 20 per cent logwood with about 3 per cent chalk added to it.
"Vegetable Dyes" by Ethel M. Mairet
The price of steel rails, which in 1880 was forty-eight dollars per ton, in 1900 was about twenty dollars per ton.
"Commercial Geography" by Jacques W. Redway
I, and those associated with me, are entitled to all that is made above five per cent.
"The Young Farmer: Some Things He Should Know" by Thomas Forsyth Hunt
He offered to go for $60 per week and traveling expenses of himself and wife.
"The Humbugs of the World" by P. T. Barnum
Mix and use with an atomizer 3 or 4 times per day.
"One Thousand Secrets of Wise and Rich Men Revealed" by C. A. Bogardus
Each one has been deprived of five gantas per month, or sixty gantas per year.
"The Philippine Islands, 1493-1898" by Various
Each subscriber paying his deposit would be entitled to L100 per annum per share.
"Old and New London" by Walter Thornbury
If meat rose 20 per cent., bread, beer, shoes, labour, and every commodity, would also rise 20 per cent.
"On The Principles of Political Economy, and Taxation" by David Ricardo
The average is 2.35 families per house or, in terms of persons, 11.75 per house.
"The Aboriginal Population of the North Coast of California" by Sherburne Friend Cook
The root from southern sections sells at from fifty cents to one dollar per pound less.
"Ginseng and Other Medicinal Plants" by A. R. (Arthur Robert) Harding
The proportional amount of sapwood varies greatly, often, as in long-leaf pine, constituting 40 per cent.
"Wood and Forest" by William Noyes
Twenty-one acres of oats ran 90 bushels per acre, and weighed 48 pounds per bushel.
"Canada West 1914" by Unknown
It might thus follow that a stand of ninety well-grown trees per acre might give very disappointing yields per acre.
"The Preparation of Plantation Rubber" by Sidney Morgan
He says the subcontractor got forty per cent, and then he himself got twenty-five per cent.
"The Works of Robert G. Ingersoll, Vol. 10 (of 12) Dresden Edition--Legal" by Robert G. Ingersoll
Time, 3 seconds per shot at 15 yards; 4 seconds per shot at 25 yards.
"Pistol and Revolver Shooting" by A. L. A. Himmelwright

In poetry:

E tu piangevi per le tue sventure,
Antiveggendo questo estremo istante,
Senza sentirne le viete paure
E mentre il viso tuo parea raggiante!
"In Morte Di Emilio Praga" by Ferdinando Fontana
Pur vostre amour, allas, allas!
I am werse than I was
Per multa:
Jeo suy dolourouse en tut manere,
Woulde God in youre armes I were
"Lines from Love Letters" by Anonymous British
Ardi, sei triste come il Prigioniero
ignudo che il titano Buonarroto
cavò da quel che or splende àvio e rimoto
Sagro, per il pontefice guerriero.
"Il Prigioniero" by Gabriele D Annunzio
Questa, che meco per la via del pianto
Scende di Lete ver la muta riva:
Non udito or t'invoco; ohimè! soltanto
Una favilla del tuo spirto è viva.
"Alla Musa" by Ugo Foscolo
Egli visse sognando e sogna ancora
Chiuso per sempre in questa negra bara;
Sogna il tripudio della nuova aurora
E il fior, che per il maggio si prepara.
"In Morte Di Emilio Praga" by Ferdinando Fontana
Quando piove ei lo muta in un ombrello,
Lo cambia in parasol quando e` l'agosto,
Poi, pien di merci--tornato corbello--
Per due soldi lo reca in ogni posto.
"Cagliari" by Ferdinando Fontana

In news:

If you drive 40 miles to the next town at 40 miles per hour and return at 20 miles per hour, what is your average speed for the round trip.
Eliminating five oil change s per year in a 100-tractor fleet could save the operator almost $75,000 per year plus increasing revenue per tractor by keeping equipment out of the shop and on the road.
Six days in Peru, including a trip to ancient Machu Picchu, costs $2,285 per person instead of $3,285 per person.
The cost is $60 per person or $240 per team.
Sall led the NSIC with 5.36 kills per game and 5.86 points per game last week.
Last year at this time it required 45 rod-hours per fish, and the five-year running average is 32 rod-hours per salmon.
On a recent Saturday, longshoremen at the SSA Marine terminal in Oakland averaged an astounding 58 container lifts per crane per hour.
Average retail prices of beef have climbed from $4.18 per pound in July 2009 to $4.44 per pound last July, a change largely due to a tight supply of cattle.
She cut her earnings forecast for the third quarter from a profit of 1 cent per share to a loss of 21 cents per share.
Games are at the college gym, 1502 E Lauridsen Blvd Cost is $35 per player or $250 per team.
Iman Shumpert averaged 9.5 points per game, 3.2 rebounds per game and 1.2 steals per game in 59 games (35 starts) during his rookie season.
Fee is $11 per adult and $9 per youth or senior.
This week, the statewide average dropped 5.6 cents to $3.382 per gallon, while nationwide prices slipped more than 2 cents to $3.409 per gallon.
Under terms of the deal, the state will lease the machines for $292 per student -- per year.
The wholesale price is estimated to be about $62 per ounce and $1,000 per pound.

In science:

In this case αi is the per-capita (per-photon) loss rate of intensity of photons in the laser mode.
Generalized models as a universal approach to the analysis of nonlinear dynamical systems
Thus, the parameter Λ measures directly the degree of per symbol ciphertext randomization, while Γ measures the per symbol key redundancy.
Quantum Noise Randomized Ciphers
Let Per(x) be the period of x, i.e. p =Per(x) is the smallest natural number such that T px = x.
On random walks in random scenery
In the following we denote by C ∞ per (Y ) the space of infinitely differentiable per (Y ) or H 1 functions in Rn that are periodic in Y .
Homogenized dynamics of stochastic partial differential equations with dynamical boundary conditions
Y ), in the usual norm of L2(Y ) or H 1(Y ), respectively. the completion of C ∞ We also introduce the space H 1 per (Y )/R, which is the space of the equivalent classes of u ∈ H 1 per (Y ) under the following equivalent relation u ∼ v ⇔ u − v = constant.
Homogenized dynamics of stochastic partial differential equations with dynamical boundary conditions
For the fit shown, the inferred contribution to the p robability of error per step is 0.0090(7), larger than the error per step derived from Fig. 2.
Randomized Benchmarking of Quantum Gates
Both ξ Per and ǫ Per show some amount of absorption near the wavelengths where the H+ 3 lines are expected, but nothing that can be conclusively identified as a detection.
H3+ in Diffuse Interstellar Clouds: a Tracer for the Cosmic-Ray Ionization Rate
Our values of the primary ionization rate for ζ Per, o Per, ǫ Per, ξ Per, and ζ Oph are shown in Table 5 along with the rates derived from OH and HD measurements as well as cloud modeling.
H3+ in Diffuse Interstellar Clouds: a Tracer for the Cosmic-Ray Ionization Rate
Various model calculations were performed by van Dishoeck & Black (1986) to investigate three of the sightlines that we study here: ζ Oph, ζ Per, and o Per.
H3+ in Diffuse Interstellar Clouds: a Tracer for the Cosmic-Ray Ionization Rate
First, the symbol “per” means the “column-permanent.” Namely, for an N × N matrix Z = (Zij ), we put per Z = Xσ∈SN even if the entries Zij are non-commutative.
Two permanents in the universal enveloping algebras of the symplectic Lie algebras
Ek (cid:16)j (k) + αk−1 (LS + Vk ) − αk (LS + Vk+1 )(cid:17) + βS (αm (LS ) − LS )! , where the energy jump j (k) has been defined in (1.12). 5The definition of dE+ differs from the one of by a factor 1 τ : here dE+ represent the asymptotic average energy production per interaction and not per unit of time.
Random repeated interaction quantum systems
While Tp (n) and Sp(n) represent the per-node and sum throughputs of the primary network in the presence of the secondary network, we use the notations Talone (n) and Salone (n) to denote the per-node and sum throughputs of the primary network in the absence of the secondary network, respectively.
Cognitive Networks Achieve Throughput Scaling of a Homogeneous Network
In this way, Landauer’s principle is generalized, showing that the dissipation associated with the erasure of a sequence of bits produces entropy at the rate kB I per erased bit, where I is Shannon’s information per bit.
Dynamical randomness, information, and Landauer's principle
This is an entropy per bit of information in the sense of Shannon, which we call the information I per bit of the sequence.
Dynamical randomness, information, and Landauer's principle
The resolving power of the spectrograph in the region of the blue aluminium lines is R = 47000, the S/N per pixel in this region of the spectra is close to 120 and there are about 5 pixels per resolution element.
NLTE determination of the aluminium abundance in a homogeneous sample of extremely metal-poor stars