freewheel英语原文释义、词形变化、词源和词汇关系

英文释义

名词 n.

A device in a transmission that disengages the driveshaft from the driven shaft when the driven shaft rotates faster than the driveshaft.
The mode or state of operation thus produced: Synonym of neutral.

动词 v.

To continue spinning after disengagement.
To ride a bicycle without pedalling, e.g. downhill.

— On her elderly bicycle with the basketwork carrier on the handle-bars, Dorothy free-wheeled down the hill, doing mental arithmetic with three pounds nineteen and fourpence--her entire stock of money until next quarter-day.
To operate a motor vehicle which is coasting without power, e.g. downhill.

— Silently and gracefully I free-wheeled across the path of three juggernauts, [...] glided across the hard shoulder and came to rest halfway up a grass bank.
To operate free from constraints. broadly,figuratively

词形变化

freewheels plural free wheel alternative freewheels present,singular,third-person freewheeling participle,present freewheeled participle,past freewheeled past

词汇关系

衍生词

freewheeler

词源

词源 1

Etymology tree
Proto-Indo-European *preyH-
Proto-Indo-European *-ós
Proto-Indo-European *priHós
Proto-Germanic *frijwaz
Proto-West Germanic *friu
Old English frēo
Middle English fre
English free
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷekʷléh₂
Proto-Germanic *hweulō
Old English hwēol
Middle English whel
English wheel
English freewheel
From free + wheel.

词源 2

Etymology tree
Proto-Indo-European *preyH-
Proto-Indo-European *-ós
Proto-Indo-European *priHós
Proto-Germanic *frijwaz
Proto-West Germanic *friu
Old English frēo
Middle English fre
English free
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷekʷléh₂
Proto-Germanic *hweulō
Old English hwēol
Middle English whel
English wheel
English freewheel
From free + wheel.