前缀：hecto- 百
hectogram 一百克
hectowatt 一百瓦
hectometer 一百米
hectoampere 一百安培
词根词缀：a-, ab-, abs-
【来源及含义】Latin: prefix; from, away, away from
【相关描述】This prefix is normally used with elements of Latin and French origins (abs- usually joins elements beginning with c, q, or t).
The form ab- is regularly used before all vowels and h; and it becomes a- before the consonants m, p, and v. The prefix apo- has similar meanings.
This list is a very small sample of the multitudes of a-, ab-, abs- prefixes that are available in dictionaries and those in this unit are only meant to present a few examples.
【同源单词】abampere, abampere centimeter squared, abampere per square centimeter, abarticular, abarticulation, abbreviate
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：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：kilo-, kil-
【来源及含义】Greek: one thousand; a decimal prefix used in the international metric system for measurements and representing 103 or 1 000
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】kilo, kiloampere, kilobaud, kilobit, kilobytes, kilocalorie
词根词缀：pico-
【来源及含义】Italian: very small or from Spanish, "beak, tip, very small"; and from Latin, beccus, beak; also, a decimal prefix used in the international metric system for measurements
【相关描述】This prefix is used in metric [decimal] system as trillionth [U.S.] and billionth part [U.K.], 10-12 [0.000 000 000 001]. The metric symbol for pico- is p.
【相关词根词缀】 Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; femto; atto; zepto; yocto.
【同源单词】picoammeter, picoampere, picocurie, picofarad, picogram, picokelvin