词根词缀：atto-
【来源及含义】Danish or Norwegian: eighteen; a decimal prefix used in the international metric system for measurements
【相关描述】This prefix is used in the metric [decimal] system as quintillionth [U.S.] and trillionth part [U.K.], 10-18 [0.000 000 000 000 000 001]. The metric symbol for atto- is a.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; zepto; yocto.
【同源单词】attoampere, attofarad, attogram, attoscience, attosecond, attotesla
词根词缀：centi-, cent-
【来源及含义】Latin: hundred; a decimal prefix used in the international metric system for measurements
【相关描述】This prefix is used in the metric [decimal] system as, one-hundredth [U.S.] and hundredth [U.K.], and denotes 1/100th of a unit or 10-2 [0.01]. The metric symbol for centi- is c.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】bicentenary, bicentennial, bicentric, bicentricity, cent, cental
词根词缀：deca-, dec-, deka-, dek-
【来源及含义】Greek: ten; a decimal prefix used in the international metric system for measurements
【相关描述】In the metric [decimal] system, deka- is used to show whole units: ten [U.S.] and tenfold [U.K.]; 101 [10]. The metric symbol for deka- is da.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】decachord, decade, decagon, decagonal, decagram, decagramme
词根词缀：decem-, decim-, deci-, dec-
【来源及含义】Latin: ten; also, a decimal prefix used in the international metric system for measurements
【相关描述】In the metric [decimal] system, deci- [DE si] is used to show 1/10 of a unit, as 10-1 [0.1]; tenth [U.S.] and tenth part [U.K.]. The metric symbol is d.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】dean, December, decemvir, decemviral, decemvirate, decennaries
词根词缀：exa-
【来源及含义】Greek: from hexa-, "six"; a decimal prefix used in the international metric system for measurements
【相关描述】This is a prefix that is used in the metric [decimal] system as one-quintillion [U.S.] or trillionfold [U.K.], 1018 [1 000 000 000 000 000 000]. The metric symbol for exa- is E.
【相关词根词缀】 Related "metric" families: yotta; zetta; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】exabit, exabyte, exagram, exajoule, exasecond
词根词缀：femto-
【来源及含义】Danish and Norwegian: fifteen; a decimal prefix used in the international metric system for measurements
【相关描述】It is used in the metric [decimal] system as quadrillionth [U.S.] and thousand-billionth part [U.K.], 10-15 [0.000 000 000 000 001]. The metric symbol for femto- is f.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; atto; zepto; yocto.
【同源单词】femtoampere, femtogram, femtojoule, femtoliter, femtometer, femtomole
词根词缀：hecto-, hect-, hecato-, hecaton-, hekto-, hekt-
【来源及含义】Greek: a hundred; many; a decimal prefix used in the international metric system for measurements
【相关描述】In the metric [decimal] system, hecto- is used to show whole units; a hundred [U.S.] and hundredfold [U.K.], 10 [100]. The metric symbol for hecto- is h.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】hecatophyllous, hectare, hectogram, hectograph, hectoliter, hectometer
词根词缀：mega-, meg-
【来源及含义】Greek: large, great, big, powerful
【相关描述】When measuring in the metric [decimal] system, it means a million [U.S.] or millionfold [U.K.]: 106 [1 000 000]. The metric symbol for mega- is M.
【相关词根词缀】 Related "big, large, great" words: grand-; macro-; magni-; major-; maxi-; megalo-. Related "metric" families: yotta; zetta; exa; peta; tera; giga; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】alphmegamia, dysmegalopsia, electronic megaphone, hydromegathermia, hydromegathermic, kilomegacycle
词根词缀：nano-, nan-, nanno-, -nania
【来源及含义】Greek: dwarf, dwarfish; pygmy; "little old man;" very small or tiny; also, a decimal prefix used in the international metric system for measurements
【相关描述】This prefix is used in the metric [decimal] system as billionth [U.S.] and thousand-millionth [U.K.], 10-9 [0.000 000 001]. The metric symbol for nano- is n.
【相关词根词缀】Related "few, small, less, little" word units:
micro-;
mini-;
mio-, meio-;
oligo-, olig-.
Related "metric" families:
yotta;
zetta;
exa;
peta;
tera;
giga;
mega;
kilo;
hecto;
deka;
deci;
centi;
milli;
micro;
pico;
femto;
atto;
zepto;
yocto.
【同源单词】bionanotechnology, nanandrous, nanism, nanization, nannandrous, nannofossil
词根词缀：peta-
【来源及含义】Greek: derived from penta-, "five"; a decimal prefix used in the international metric system for measurements
【相关描述】Used in the metric [decimal] system as one quadrillion [U.S.] or thousand billionfold [U.K.], 1015 [1 000 000 000 000 000] The metric symbol for peta- is P.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】petabecquerel, petabyte, petaflop, petaflops, petagram, petahertz