Rare Shrinking Charm

: "These straightforward but surprisingly dangerous charms cause certain things to swell or shrink. You will be learning both charms together, so that you can always undo an over-enthusiastic cast. There is thus no excuse for having accidentally shrunk your homework down to microscopic size or for allowing a giant toad to rampage through your school’s flower gardens."
: — Miranda Goshawk[src]
:
The Shrinking Charm (Reducio) was a charm that caused an object to shrink. It was the counter-charm to the Engorgement Charm, causing enlarged objects to return to their original size. The Shrinking Charm was also used as the potion-making spell for the Shrinking Solution.
The use of a Shrinking Charm on a human was considered both complicated and dangerous.
== History ==
During the 1985–1986 school year, the Shrinking Charm was covered in second-year Charms classes at Hogwarts School of Witchcraft and Wizardry by Professor Flitwick.
== Known practitioners and uses ==
Caster(s) 	Date 	Notes
Arthur Weasley	August 1994 	Arthur Weasley used this charm to shrink the size of Dudley Dursley's swelled tongue after Fred Weasley purposefully gave him a Ton-Tongue Toffee, at 4 Privet Drive.
Poppy Pomfrey 	October 1994 	When Hermione Granger was hexed by Draco Malfoy, her front teeth grew huge. Madame Pomfrey shrunk her teeth with this spell. Hermione used this occasion to avoid having braces because her teeth were originally larger than normal teeth and caused her to be compared to a chipmunk by other students.
Harry Potter 	27 December, 1997 	Harry, who had enlarged a spider with an Engorgement Charm with another's wand, tried to use this to return it to its normal size, but it didn't work. Later, he used it after he enlarged a lamp fire after he got another wand.
Lottie Turner 	2009–2010 school year	Used it to shrink a portrait of Harold that she had duplicated with the Doubling Charm.
== Etymology ==
The incantation is a Latin word meaning "to reduce" or "is reducable", fitting for this spell's effects.
== Behind the scenes ==
* In Harry Potter and the Deathly Hallows: Part 1, the scene in which the spider is enlarged is replaced by a mirror scene including Bluebell Flames.
* The effects of this charm bear great similarity to those induced by the incantation of Diminuendo, used by Nigel Wolpert in 1995.
== See also ==
* Diminuendo
* Head Shrink Spell
==Appearances==
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Category:Charms
Category:Counter-Charms
Category:Spells Of-Known Incantation
Category:Spells With-An Light