shrinking
Concise Oxford English Dictionary © 2008 Oxford University Press:
shrink/ʃrɪŋk/
▶verb (past shrank; past part. shrunk or (especially as adj.) shrunken)
- 1 become or make smaller in size or amount; contract.
■ (of clothes or material) become smaller as a result of being immersed in water.
- 2 move back or away in fear or disgust.
■ (shrink from) be unwilling to do (something).
– derivatives
shrinkable adjective,
shrinker noun.
shrinkable adjective,
shrinker noun.
– origin OE scrincan, of Gmc origin; the noun is from headshrinker.
'shrinking' also found in these Oxford entries:

