Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
himself
enumerate
conference
SPONSORED LINKS
SPONSORED LINKS
mammals
yesterday
abbey
fair
nuptial
constrict
concave lens
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