| 释义 |
eighty
I. \ˈād.]ē, ˈāt], ]i\ adjective
Etymology: Middle English eightety, eighty, from Old English eahtatig, short for hundeahtatig, from hundeahtatig, n., group of 80, from hund hundred + eahta eight + -tig group of ten; akin to Old High German -zug group of ten, Old Norse tigr, Gothic -tigjus; all derivatives from the root of Old English tīen, tȳn, tēn ten — more at hundred, eight, ten
: being one more than 79 in number
< eighty years >
— see number table
II. noun, plural in construction
Etymology: Middle English eightety, eighty, from eightety eighty adjective
: 80 countable persons or things not specified but under consideration and being enumerated
< eighty are here >
< eighty were found >
III. noun
(-es)
1. : eight tens : twice 40 : five times 16 : four twenties : fourscore
2.
a. : 80 units or objects
< a total of eighty >
b. : a group or set of 80
3. : the numerable quantity symbolized by the arabic numerals 80
4. : the 80th in a set or series
5. : something having as an essential feature 80 units or members
6. : an 80-acre tract of land
7. eighties plural
a. : the numbers 80 to 89 inclusive
< a golf score in the eighties >
< all his grades in that subject are in the eighties >
b. : the members of a series or set of successive numbers that end in 80 to 89 inclusive
< the eighties of the preceding century >
< lives in the eighties in the next block >
c. : the portion of a continuum lying between 80 and 90 on a scale of measurement or segmentation
< temperatures in the high eighties tomorrow >
< a man still vigorous in his eighties > |