AskDefine | Define cleavage

Dictionary Definition



1 the state of being split or cleft
2 the breaking of a chemical bond in a molecule resulting in smaller molecules
3 (embryology) the repeated division of a fertilised ovum [syn: 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

User Contributed Dictionary



  1. The hollow or separation between a woman's breasts, especially as revealed by a low neckline.
  2. The act of cleaving or the state of being cleft.
  3. The tendency of a crystal to split along specific planes.
  4. The splitting of a large molecule into smaller ones.
  5. The repeated division of a cell into daughter cells after mitosis.

Related terms


separation between breasts


separation between breasts
  • Chinese: 乳溝, 乳沟 (rǔ gōu)
  • Dutch: décolleté
  • Finnish: rintojen väli
  • French: décolleté
  • German: Dekolletee, Dekolleté
  • Italian: décolleté, scollatura
  • Persian: (châk pestân)
  • Spanish: escote , canalillo
the act or the state
mineralogy: tendency of a crystal
  • Czech: štěpnost
  • German: Spaltneigung, Schieferung
biology: cell division

See also

Extensive Definition

Cleavage in general refers to a division or separation of form. Its usage is heavily dependent on cultural context, where it may refer to:
cleavage in Ido: Klivo
cleavage in Italian: Sfaldatura
cleavage in Portuguese: Clivagem

Synonyms, Antonyms and Related Words

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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