Home
Random
Log in
Settings
Donations
About Wiktionary
Disclaimers
Search
halfwave
Language
Watch
Edit
Contents
1
English
1.1
Alternative forms
1.2
Etymology
1.3
Noun
1.3.1
Usage notes
English
edit
Alternative forms
edit
half-wave
Etymology
edit
half
+
wave
Noun
edit
halfwave
(
plural
halfwaves
)
(
physics
,
mathematics
)
half
(especially the
positive
half) of a
sine wave
Usage notes
edit
Used attributively to describe devices that manipulate electromagnetic waves by removing the negative part.