per : Idioms & Phrases

• (L. per se by itself), one preëminent; a nonesuch. Obs.

Webster 1913

• noun the pace of music measured by the number of beats occurring in 60 seconds
  M.M.; bpm; metronome marking.
  

WordNet

• noun a measure of how densely information is packed on a storage medium
  bpi.
  

WordNet

• noun (computer science) the rate at which data is transferred (as by a modem)
  bps.
  

WordNet

• noun amount of a charge or payment relative to some basis
  rate.
  
  • a 10-minute phone call at that rate would cost $5

WordNet

• noun frequency per minute
  counts/minute.
  

WordNet

• noun the unit of frequency; one hertz has a periodic interval of one second
  Hz; cycles/second; hertz; cps; cycle.
  

WordNet

• noun the portion of a company's profit allocated to each outstanding share of common stock
  

WordNet

• (Old Chem.), mercury in finely divided state, having the appearance of a dark powder, obtained by shaking it up or by exposure to the air.

Webster 1913

• noun the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)
  pressure level; pressure.
  
  • the compressed gas exerts an increased pressure

WordNet

• noun 1,000,000,000 periods per second
  gigahertz; gigacycle; Gc; GHz.
  

WordNet

• noun one thousand periods per second
  kc; kHz; kilocycle; kilohertz.
  

WordNet

• noun the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)
  kph; kilometers per hour; km/h.
  

WordNet

• noun the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)
  kph; kilometers per hour; km/h.
  

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• noun one million periods per second
  megahertz; megacycle; MHz; Mc.
  

WordNet

• noun the distance traveled in a vehicle powered by one gallon of gasoline or diesel fuel
  

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• noun the ratio of the distance traveled (in miles) to the time spent traveling (in hours)
  mph.
  
• noun a speedometer reading for the momentary rate of travel
  mph.
  

WordNet

• noun (computer science) a unit for measuring the speed of a computer system
  megaflop; MFLOP.
  

WordNet

• noun (computer science) a unit for measuring the execution speed of a computer's CPU (but not the whole system)
  MIPS.
  
  • 4 MIPS is 4,000,000 instructions per second

WordNet

• adverb by the year; every year (usually with reference to a sum of money paid or received)
  annually; each year; p.a.; per annum.
  
  • he earned $100,000 per annum
  • we issue six volumes per annum

WordNet

• by the year; in each successive year; annually.

Webster 1913

• adjective satellite per person
  
  • among the states Connecticut has a high per capita income
• adverb per person
  of each person; for each person.
  
  • we are spending $5,000 per capita annually for education in this district

WordNet

• noun the total national income divided by the number of people in the nation
  

WordNet

• 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. commonly symbolized with the per cent sign, %

Webster 1913

• noun a proportion in relation to a whole (which is usually the amount per hundred)
  percentage; percent; pct.
  

WordNet

• noun a daily allowance for living expenses (especially while traveling in connection with your job)
  
• adverb one every day
  by the day.
  
  • we'll save 100 man-hours per diem

WordNet

• by the day. [For other phrases from the Latin, see Quotations, Phrases, etc., from Foreign Languages, in the Supplement.]

Webster 1913

• adverb with respect to its inherent nature
  in and of itself; as such; intrinsically.
  
  • this statement is interesting per se

WordNet

• adverb by the year; every year (usually with reference to a sum of money paid or received)
  annually; each year; p.a.; per annum.
  
  • he earned $100,000 per annum
  • we issue six volumes per annum

WordNet

Per-

Etymology

See Per.

Definitions

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.) 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.

Webster 1913

• noun a unit of pressure
  psi.
  

WordNet

• noun rate of revolution of a motor
  rev; rpm.
  
  • the engine was doing 6000 revs

WordNet

• noun (computer science) a unit for measuring the speed of a computer system
  teraflop.
  

WordNet

• noun the rate at which words are produced (as in speaking or typing)
  wpm.
  

WordNet