| screwdriver teeth |
Hutchinson's teeth.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
|---|---|
| screwworm |
the larva of Cochliomyia hominivorax.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
| screw |
A headed threaded fastener that is designed to be used in conjunction with a pre formed internal thread or alternatively forming its own thread. Historically, it was a threaded fastener with the thread running up to the head of the fastener that has no plain shank. However this definition has largely been superseded to avoid confusion over the difference between a bolt and a screw.
출처: www.boltscience.com/pages/glossary.htm
|
| screw |
a device consisting of an inclined plane incised into and spiraling around a tapered cylinder forming a helical groove; one of the simple machines, often used to fasten materials together or to transmit motion and apply pressure. 2. a metal fastener of this type, having a tapered body with a spiraling thread and a slotted head, to be inserted into wood or other material with a screwdriver.
출처: www.bergen.org/AAST/Projects/Engineering_Graphics/...
|
| screw |
The revolving fan-blade-like device located underwater astern which pushes a vessel through the water. Similar in shape and function to an airplane
출처: www.navyslang.com/navyterms6.html
|