tera-
pref.(前缀)
语源
pref.(前缀)
- One trillion (1012):
兆:一万亿(1012):
terahertz.
太(拉)赫
语源
- From Greek teras [monster] * see k wer-
源自 希腊语 teras [庞然大物] *参见 k wer-
tera-
prefix
denoting 1012 ⇒
terameter
Also: tebi-. denoting 240 ⇒
terabyte
Origin
from Greek teras monstertera-
Word Origin
1
a combining form used in the names of units of measure equal to one trillion of a given base unit:
terahertz.
2
Computers. a combining form of like function with the value 2 40 (=1,099,511,627,766).
Abbreviation: T.
Origin
< Greek téras monster. See terato-
Related Words
- flops
- terabyte
- terahertz
tera-a prefix denoting 1012, of a given unit as in terahertz. Symbol: T
[Greek teras monster. See terato-]tera-
combining form
terawatt
combining form
ETYMOLOGY International Scientific Vocabulary, from Greek terat-, teras monster
: trillion (1012)terawatt
tera-
combining form
used in units of measurement [用于度量单位]
1.
- denoting a factor of 1012表示“太拉”, “垓”, “兆兆”, “万亿”:
-
terawatt.
2.
- Computing denoting a factor of 240【计算机】表示“兆兆”。
词源
from Greek teras 'monster'.
[ 1947Compt. Rend. de la 14ème Conf. (UnionInternat. de Chimie) 115The following prefixes to abbreviations for the names of units should be used to indicate the specified multiples or sub-multiples of these units: T tira- 1012 ×. ]
1951 Symbols, Signs & Abbreviations (R. Soc. ) 15Tera (× 1012) T.
1971 New Scientist 8 July 80/2 A bigger machine..which will be available next year, will have a 50-terabit memory with only slightly slower cycle time of 100 nanoseconds.
1974 Sci. Amer. Feb. 82/2An energy of 1,000 GeV (one teraelectron-volt, or TeV) does not seem an impossible goal.
1970 McGraw-Hill Yearbk. Sci. &Technol. 233/1M. A. Duguay and coworkers..tuned a mode-locked He-Ne laser..from -45 to +45 GHz, about the central optical frequency of 473·61 terahertz.
1980 Nature 21 Feb. 715/1 In relatively simple experiments laser-driven shock waves can be used to study the propagation of shocks in solids for shock pressures up to terapascals (1 TPa = 107 bar= 1013 dyne cm-2).
1969 Proc. Geol. Soc. Aug. 142Alternatively the second of time may prove to be a more convenient unit as recommended by S.I., thus 1 million years (m.y.) = 31·557 tera seconds (Ts).
1975 Sci. Amer. Feb. 40/2A development program looking toward the creation of a proton beam of about 1,000 GeV, or one teravolt (TeV).
1970 Britannica Bk. of Year 322/2It had an output of 4 trillion watts (4 terawatts).
1972 Physics Bull. Mar. 175/2The terawatt carbon dioxide laser may not be far away.
1979 Internat. Atomic Energy AgencyBull. Jan. 7Let us consider two scenarios which would lead to a total primary energy consumption rate of 50 terawatts (50 000 000 MW) at the end of the next century.
1979 Times 11 Dec. 18 The American Department of Energy, Dr Musgrove says,..could economically produce 500 tera-watt-hours (500 million mega-watt-hours) of electricity.
1980 Sci. Amer. Sept. 111/1From the base year of the IIASA study (1975) to 2030 the total primary-energy consumption rate is projected to rise from 8.2 terawatt-years per year to 36 terawatt-years per year in the high-growth scenario and to 22 terawatt-years per year in the low-growth one.
tera-
prefix meaning "trillion," used in forming large units of measure (such as terabyte), officially adopted 1947, from Greek teras "marvel, monster" (see terato-).
ORIGIN: from Greek teras monster.
tera-
combining form. one trillion _____: Teravolt = one trillion volts.
[< Greek téras, -atos monster; marvel]
tera-
\¦terə\ combining form
Etymology: International Scientific Vocabulary, from Greek teras monster — more at terat-
: trillion
< terabyte >
< terahertz >
< terabyte >
< terahertz >
tera-
Etymology
From Ancient Greek τέρας (téras, “monster”).
Prefix
SI prefix | ||
T | ||
Previous: | giga- | |
Next: | peta- |
- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 1012, a trillion. Symbol: T
Antonyms
Derived terms
English words prefixed with tera-