| 释义 |
ro·ta·ry
I. \ˈrōd.ərē, -ōtə-, -əri sometimes -ōˌter-\ adjective
Etymology: Medieval Latin rotarius, from Latin rota wheel + -arius -ary — more at roll
1.
a. : of, relating to, or resembling a wheel turning on its axis
< rotary blades >
b. : resembling the motion of a rotating body
< rotary motion >
< rotary movement >
— compare rotational, rotatory
2. : having an important part that turns on an axis
< rotary cutter >
3. : characterized by rotation of persons
< employment … under a rotary hiring system — Stanley Levey >
4. : produced by or used in a rotary press
< rotary gravure >
< rotary printing >
< rotary plates >
II. noun
(-es)
1. : a rotary machine: as
a. : rotary press
b. : a rig for drilling a well by the rotary method
c. : a drill-pipe turntable and the mechanical assembly for supporting and rotating it
d. or rotary converter : synchronous converter
2. also rotary intersection : a road junction formed around a central more or less circular plot about which traffic moves in one direction only — called also circle, traffic circle |