Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
exaggerate
average
fastidious
SPONSORED LINKS
SPONSORED LINKS
speckles
zr
darned
marble
priest
everybody
come up to
Hide translation
acorn tube
acorn tube
/ˈeɪˌkɔrn tuːb/
noun
A small vacuum tube; used at high frequencies
(
acorn tube
)
a small vacuum tube; used at high frequencies
Back
Next
Language