What's the difference between shrink and shrinker?

Shrink

Definition:

(v. i.) To wrinkle, bend, or curl; to shrivel; hence, to contract into a less extent or compass; to gather together; to become compacted.
(v. i.) To withdraw or retire, as from danger; to decline action from fear; to recoil, as in fear, horror, or distress.
(v. i.) To express fear, horror, or pain by contracting the body, or part of it; to shudder; to quake.
(v. t.) To cause to contract or shrink; as, to shrink finnel by imersing it in boiling water.
(v. t.) To draw back; to withdraw.
(n.) The act shrinking; shrinkage; contraction; also, recoil; withdrawal.

Example Sentences:

(1) A shrinking populace is perhaps a greater challenge than any problems with Russia.
(2) "The results present a remarkably bleak portrait of life in the UK today and the shrinking opportunities faced by the bottom third of UK society," said the head of the project, Professor David Gordon of Bristol University.
(3) The resulting free anterior tarsal surface must be covered by a free graft to prevent tarsal shrinking.
(4) Sales are also shrinking in north America and Europe.
(5) Burst your bubble: five conservative articles to read as protests stymie Trump Read more There’s the shrinking minority of Americans who believe he’s doing a good job.
(6) The media are more pervasive, seeping everywhere into the vacuum left by the shrinking of the old powers.
(7) This increase was due to a larger radiation dose to the anoxic tumor core and to external irradiation shrinking the tumor to within the high-dose range of radium therapy.
(8) To make the equations of physics carry on working, Einstein showed that the length of any moving object must shrink in the direction of its travel.
(9) VS K influx into high K cells was transient, whereas influx into low K cells (prepared with nystatin), which are unable to shrink via K efflux, remained fully activated.
(10) The battle for eastern Aleppo in maps: how rebel territory is shrinking Read more Some have arrived in government-held or Kurdish-controlled territory with overstuffed suitcases and bags of their possessions, but others have come empty-handed, with only the clothes on their backs.
(11) According his hypothesis "the nerves were shrinking because of drying" and the treatment had to be long, prolonged bathing.
(12) Facebook Twitter Pinterest Bernie Sanders: I want to see major changes in the Democratic party But Clinton is still a comfortable favourite in polling at the national level and her team argued earlier that day that if she can shrink his lead to single digits in the New Hampshire primary on Tuesday, she will have blunted the surprise momentum that unnerved supporters when he came within a whisker of beating her in Iowa.
(13) Unemployment in Spain's shrinking economy now exceeds 4 million people, or almost 19% of the population, and has pushed the bank's bad loan ratio in its home market up to 3.4%.
(14) Ranch and management x ranch effects accounted for more of the variation in shrink than PC did.
(15) The Blairite rump wants more austerity and markets in public services, while their champion, Douglas Alexander, wants to "shrink" Labour's offer so the Tories and media have as little as possible to attack.
(16) The reality is they seem to be in denial that the Welsh budget is shrinking yet they seem to be calling for more money to be spent in practically every area.
(17) Should they shrink from it, the Lib Dems will reveal that they are neither liberal nor democratic.
(18) At the same time, the diameter of the hair cell top decreased by shrinking.
(19) Corticosteroid therapy for acute "shrinking lungs syndrome" in active SLE can improve symptoms and pulmonary function.
(20) The report does not discuss the reasons why young black people make up an ever greater proportion of the shrinking youth jail population.