knife-edge


knife–edge

noun \ˈnīf-ˌej\

: something that is very narrow or sharp

Full Definition of KNIFE-EDGE

1
:  a sharp wedge of steel or other hard material used as a fulcrum for a lever beam in a precision instrument
2
:  a sharp narrow knifelike edge

First Known Use of KNIFE-EDGE

1818

Browse

Next Word in the Dictionary: knife–edged
Previous Word in the Dictionary: knife–boy
All Words Near: knife-edge

Seen & Heard

What made you want to look up knife-edge? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More