cleavage 音标拼音: [kl'ivədʒ] [kl'ivɪdʒ]
n . 劈开,劈开部,分裂
劈开,劈开部,分裂
cleavage 分离
cleavage n 1 :
the state of being split or cleft ; "
there was a cleavage between the liberal and conservative members "
2 :
the breaking of a chemical bond in a molecule resulting in smaller molecules 3 : (
embryology )
the repeated division of a fertilised ovum [
synonym :
{
cleavage }, {
segmentation }]
4 :
the line formed by a groove between two parts (
especially the separation between a woman '
s breasts )
5 :
the act of cleaving or splitting Cleavage \
Cleav "
age \,
n .
1 .
The act of cleaving or splitting .
[
1913 Webster ]
2 . (
Crystallog .)
The quality possessed by many crystallized substances of splitting readily in one or more definite directions ,
in which the cohesive attraction is a minimum ,
affording more or less smooth surfaces ;
the direction of the dividing plane ;
a fragment obtained by cleaving ,
as of a diamond .
See {
Parting }.
[
1913 Webster ]
3 . (
Geol .)
Division into lamin [
ae ],
like slate ,
with the lamination not necessarily parallel to the plane of deposition ; --
usually produced by pressure .
[
1913 Webster ]
{
Basal cleavage },
cleavage parallel to the base of a crystal ,
or to the plane of the lateral axes .
{
Cell cleavage } (
Biol .),
multiplication of cells by fission .
See {
Segmentation }.
{
Cubic cleavage },
cleavage parallel to the faces of a cube .
{
Diagonal cleavage },
cleavage parallel to ta diagonal plane .
{
Egg clavage }. (
Biol .)
See {
Segmentation }.
{
Lateral cleavage },
cleavage parallel to the lateral planes .
{
Octahedral cleavage }, {
Dodecahedral cleavage },
or {
Rhombohedral cleavage },
cleavage parallel to the faces of an octahedron ,
dodecahedron ,
or rhombohedron .
{
Prismatic cleavage },
cleavage parallel to a vertical prism .
[
1913 Webster ]
74 Moby Thesaurus words for "
cleavage ":
abscission ,
alienation ,
alpha decay ,
amputation ,
atom -
chipping ,
atom -
smashing ,
atomic disintegration ,
atomic reaction ,
atomization ,
beta decay ,
bombardment ,
breach ,
breach of friendship ,
break ,
breeding ,
bullet ,
butchering ,
chain reaction ,
chasm ,
chopping ,
cleft ,
cutting ,
dichotomy ,
disaffection ,
disfavor ,
disintegration series ,
disruption ,
dissociation ,
disunion ,
disunity ,
divergence ,
dividedness ,
division ,
enucleation ,
estrangement ,
exchange reaction ,
excision ,
falling -
out ,
fission ,
fission reaction ,
gamma decay ,
ionization ,
laceration ,
mutilation ,
neutron reaction ,
nonreversible reaction ,
nuclear fission ,
nucleization ,
open rupture ,
photodisintegration ,
proton gun ,
proton reaction ,
recall of ambassadors ,
rending ,
resection ,
reversible reaction ,
rift ,
ripping ,
rupture ,
schism ,
scission ,
section ,
separation ,
severance ,
slashing ,
slicing ,
split ,
splitting ,
splitting the atom ,
stimulation ,
surgery ,
target ,
tearing ,
thermonuclear reaction
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