antenna 音标拼音: [ænt'ɛnə]
n . 天线,触须,触角
天线,触须,触角
antenna 天线
antenna n 1 :
an electrical device that sends or receives radio or television signals [
synonym : {
antenna }, {
aerial }, {
transmitting aerial }]
2 :
sensitivity similar to that of a receptor organ ; "
he had a special antenna for public relations " [
synonym : {
antenna },
{
feeler }]
3 :
one of a pair of mobile appendages on the head of e .
g .
insects and crustaceans ;
typically sensitive to touch and taste [
synonym : {
antenna }, {
feeler }]
Antenna \
An *
ten "
na \,
n .;
pl . {
Antenn [
ae ]}. [
L .
antenna sail -
yard ;
NL .,
a feeler ,
horn of an insect .]
1 . (
Zool .)
A movable ,
articulated organ of sensation ,
attached to the heads of insects and Crustacea .
There are two in the former ,
and usually four in the latter .
They are used as organs of touch ,
and in some species of Crustacea the cavity of the ear is situated near the basal joint .
In insects ,
they are popularly called horns ,
and also feelers .
The term in also applied to similar organs on the heads of other arthropods and of annelids .
[
1913 Webster ]
2 . (
Electronics )
A metallic device ,
variously shaped ,
designed for the purpose of either transmitting or receiving radio waves ,
as for radio or television broadcasting ,
or for transmitting communication signals .
Some types are : {
whip antenna }, {
antenna tower }, {
horn antenna }, {
dish antenna }, {
directional antenna }
and {
rabbit ears }.
See {
transmitter }, {
receiver }.
[
PJC ]
29 Moby Thesaurus words for "
antenna ":
aerials ,
barb ,
barbel ,
barbule ,
bedspring type ,
cat whisker ,
directional antenna ,
dish ,
doublet ,
feed -
and -
reflector unit ,
feeler ,
mast ,
mattress type ,
palp ,
palpus ,
reflector ,
rhombic antenna ,
scanner ,
strike radar scanner ,
tactile cell ,
tactile corpuscle ,
tactile hair ,
tactile organ ,
tactile process ,
tactor ,
tower ,
transmitting antenna ,
vibrissa ,
wave antenna
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