gum 音标拼音: [g'ʌm]
n . 树胶,橡皮,橡皮糖,牙床,上帝
vt . 涂以树胶,使有粘性
vi . 分泌树胶,发粘
树胶,橡皮,橡皮糖,牙床,上帝涂以树胶,使有粘性分泌树胶,发粘
gum n 1 :
a preparation (
usually made of sweetened chicle )
for chewing [
synonym : {
chewing gum }, {
gum }]
2 :
the tissue (
covered by mucous membrane )
of the jaws that surrounds the bases of the teeth [
synonym : {
gingiva }, {
gum }]
3 :
any of various substances (
soluble in water )
that exude from certain plants ;
they are gelatinous when moist but harden on drying 4 :
cement consisting of a sticky substance that is used as an adhesive [
synonym : {
glue }, {
gum }, {
mucilage }]
5 :
wood or lumber from any of various gum trees especially the sweet gum [
synonym : {
gumwood }, {
gum }]
6 :
any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum [
synonym : {
gum tree }, {
gum }]
v 1 :
cover ,
fill ,
fix or smear with or as if with gum ; "
if you gum the tape it is stronger "
2 :
grind with the gums ;
chew without teeth and with great difficulty ; "
the old man had no teeth left and mumbled his food " [
synonym : {
mumble }, {
gum }]
3 :
become sticky 4 :
exude or form gum ; "
these trees gum in the Spring "
Gum \
Gum \,
n . [
OE .
gome ,
AS .
gama palate ;
akin Co G .
gaumen ,
OHG .
goumo ,
guomo ,
Icel .
g ?
mr ,
Sw .
gom ;
cf .
Gr . ?
to gape .]
The dense tissues which invest the teeth ,
and cover the adjacent parts of the jaws .
[
1913 Webster ]
{
Gum rash } (
Med .),
strophulus in a teething child ;
red gum .
{
Gum stick },
a smooth hard substance for children to bite upon while teething .
[
1913 Webster ]
Gum \
Gum \,
v .
t .
To deepen and enlarge the spaces between the teeth of (
a worn saw ).
See {
Gummer }.
[
1913 Webster ]
Gum \
Gum \,
n . [
OE .
gomme ,
gumme ,
F .
gomme ,
L .
gummi and commis ,
fr .
Gr . ?,
prob .
from an Egyptian form kam ?;
cf .
It .
{
gomma }.]
1 .
A vegetable secretion of many trees or plants that hardens when it exudes ,
but is soluble in water ;
as ,
gum arabic ;
gum tragacanth ;
the gum of the cherry tree .
Also ,
with less propriety ,
exudations that are not soluble in water ;
as ,
gum copal and gum sandarac ,
which are really resins .
[
1913 Webster ]
2 . (
Bot .)
See {
Gum tree }, {
below }.
[
1913 Webster ]
3 .
A hive made of a section of a hollow gum tree ;
hence ,
any roughly made hive ;
also ,
a vessel or bin made of a hollow log . [
Southern U .
S .]
[
1913 Webster ]
4 .
A rubber overshoe . [
Local ,
U .
S .]
[
1913 Webster ]
{
Black gum }, {
Blue gum }, {
British gum },
etc .
See under {
Black }, {
Blue },
etc .
{
Gum Acaroidea },
the resinous gum of the Australian grass tree ({
Xanlhorrh [
oe ]
a }).
{
Gum animal } (
Zool .),
the galago of West Africa ; --
so called because it feeds on gums .
See {
Galago }.
{
Gum animi or anim ['
e ]}.
See {
Anim ['
e ]}.
{
Gum arabic },
a gum yielded mostly by several species of {
Acacia } (
chiefly {
A .
vera }
and {
A .
Arabica })
growing in Africa and Southern Asia ; --
called also {
gum acacia }.
East Indian gum arabic comes from a tree of the Orange family which bears the elephant apple .
{
Gum butea },
a gum yielded by the Indian plants {
Butea frondosa }
and {
B .
superba },
and used locally in tanning and in precipitating indigo .
{
Gum cistus },
a plant of the genus {
Cistus } ({
Cistus ladaniferus }),
a species of rock rose .
{
Gum dragon }.
See {
Tragacanth }.
{
Gum elastic }, {
Elastic gum }.
See {
Caoutchouc }.
{
Gum elemi }.
See {
Elemi }.
{
Gum juniper }.
See {
Sandarac }.
{
Gum kino }.
See under {
Kino }.
{
Gum lac }.
See {
Lac }.
{
Gum Ladanum },
a fragrant gum yielded by several Oriental species of Cistus or rock rose .
{
Gum passages },
sap receptacles extending through the parenchyma of certain plants ({
Amygdalace [
ae ]},
{
Cactace [
ae ]},
etc .),
and affording passage for gum .
{
Gum pot },
a varnish maker '
s utensil for melting gum and mixing other ingredients .
{
Gum resin },
the milky juice of a plant solidified by exposure to air ;
one of certain inspissated saps ,
mixtures of ,
or having properties of ,
gum and resin ;
a resin containing more or less mucilaginous and gummy matter .
{
Gum sandarac }.
See {
Sandarac }.
{
Gum Senegal },
a gum similar to gum arabic ,
yielded by trees ({
Acacia Verek }
and {
A .
Adansoni [
aum ]})
growing in the Senegal country ,
West Africa .
{
Gum tragacanth }.
See {
Tragacanth }.
{
Gum water },
a solution of gum ,
esp .
of gum arabic ,
in water .
{
Gum wood },
the wood of any gum tree ,
esp .
the wood of the {
Eucalyptus piperita },
of New South Wales .
[
1913 Webster ]
Gum \
Gum \,
v .
t . [
imp . &
p .
p . {
Gummed } (
g [
u ^]
md );
p .
pr . &
vb .
n . {
Gumming }.]
1 .
To smear with gum ;
to close with gum ;
to unite or stiffen by gum or a gumlike substance ;
to make sticky with a gumlike substance .
[
1913 Webster ]
He frets like a gummed velvet . --
Shak .
[
1913 Webster ]
2 .
To chew with the gums ,
rather than with the teeth .
[
PJC ]
{
gum up }
(
a )
To block or clog (
a conduit )
with or as if with gum ;
as ,
to gum up the drainpipe .
(
b )
to interfere with ;
to spoil . [
Slang ]
[
PJC ]
Gum \
Gum \,
v .
i .
To exude or form gum ;
to become gummy .
[
1913 Webster ]
86 Moby Thesaurus words for "
gum ":
Lastex ,
acaroid resins ,
agglutinate ,
alveolar ridge ,
amber ,
baleen ,
battledore ,
bind ,
bite ,
bollix ,
braze ,
bridgework ,
bubble gum ,
cement ,
champ ,
chaw ,
chew ,
chew the cud ,
chew up ,
chewing gum ,
chicle ,
chicle gum ,
chomp ,
colophony ,
coumarone resins ,
crab ,
cramp ,
crimp ,
dental bridge ,
dentition ,
denture ,
elastic ,
elastomer ,
false teeth ,
fossil resins ,
foul up ,
fuse ,
glue ,
gnash ,
gnaw ,
grind ,
gum elastic ,
gum rosin ,
gum up ,
gums ,
handball ,
ivories ,
jumping jack ,
lac resins ,
louse up ,
masticate ,
mouth ,
mumble ,
munch ,
nibble ,
paste ,
periodontal tissue ,
pine resins ,
plastic ,
plate ,
queer ,
racket ,
resin ,
resina ,
resinate ,
resinoid ,
rosin ,
rubber ,
rubber ball ,
rubber band ,
ruminate ,
set of teeth ,
snafu ,
solder ,
spandex ,
spring ,
springboard ,
stick together ,
stretch fabric ,
synthetic resin ,
teeth ,
trampoline ,
uppers and lowers ,
vegetable resins ,
weld ,
whalebone
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