Encyclopedia-S

Scabbers

Ron Weasley's pet rat. He once belonged to Ron's older brother Percy Weasley.

Scrimgeour, Rufus

The Minister of Magic who takes over from Cornelius Fudge.

Scamader, Newt

Author of Fantastic Beasts and Where to Find Them.

Scourgify

The incantation for the Vanishing Spell.

Secrecy Sensor

Antenna that vibrates when it detects concealment and lies.

Sectumsempra

A curse that slashes its victim open as a sword would.

Seeker

Quidditch player who tries to catch the Golden Snitch.

Self-shuffling Playing Cards

Wizarding playing cards that shuffle themselves.

Shacklebolt, Kingsley

A member of the revitalized Order of the Phoenix.

Shield Charm

Casts a temporary invisible wall around you to deflect minor curses.

Shrieking Shack

Supposed to be the most haunted building in Britain. Situated in the town of Hogsmeade.

Shunpike, Stan

Conductor on the Knight Bus.

Sickle

Silver wizarding money. There are seventeen Sickles in one Galleon.

Silencio

The incantation for the Silencing Charm.

Sinistra, Professor

Teacher of Astronomy at Hogwarts.

Skeeter, Rita

Journalist. She is nosy and malicious, and has stiff blond curls.

Skele-Gro

Potion used to re-grow bones after they have been removed.

Skiving Snackboxes

Joke “treats” created by Fred and George Weasley. Students take one to get sick and out of class, and then another to eliminate the effects of the first.

Sleekeazy's Hair Potion

Tames bushy hair.

Slinkhard, Wilbert

Author of Defensive Magical Theory.

Slug Club

Horace Slughorn’s hand picked club of chosen students who have great magical talent or connections with famous people.

Slughorn, Horace

Professor at Hogwarts. Was once the Head of Slytherin. Creates the “Slug Club”.

Slytherin House

One of the school houses in Hogwarts. Founded by Salazar Slytherin. The Slytherin symbol is a snake. The resident ghost is the Bloody Baron. Harry's archenemy, Draco Malfoy, is in Slytherin. Professor Snape is Head of Slytherin House.

Slytherin, Salazar

One of the four founders of Hogwarts. Slytherin house is named after him. Created the Chamber of Secrets.

Smeltings

Dudley Dursley's private school. Uncle Vernon also attended.

Snape, Severus

Potions master at Hogwarts. He is tall and thin with sallow skin, greasy black hair and a hooked nose. He hates Harry Potter. Head of Slytherin house.

Snape, Tobias

Severus Snape’s father

Sneakoscope

Glass spinning top that lights up and spins when there is someone untrustworthy around.

Society for the Promotion of Elfish Welfare

Activist group organized by Hermione in her fourth year at Hogwarts. You must not call it Spew.

Sonorus

Charm to magnify one's voice.

Sorcerer’s Stone

Legendary stone which will transform any metal into pure gold. It also produces the Elixir of Life, which will make the drinker immortal. The only known stone belongs to Nicholas Flamel, Albus Dumbledore's former alchemy partner.

Sorting Hat

The hat that decides which House students shall be in while at Hogwarts.

Specialis Revelio

A spell used to reveal any bewitching or hexings on an object.

Spellotape

Wizarding repair tape. It was used by Ron Weasley to mend his broken wand.

Spinner’s End

A street in an unidentified town where Severus Snape has a house.

Spinnet, Alicia

One of the Chasers on the Gryffindor Quidditch team. She is two years above Harry at Hogwarts.

Splinching

Injury caused by careless Apparating: part of the Apparating person's body is left behind. 

Spore, Phyllida

Author of One Thousand Magical Herbs.

Sprout, Professor

Herbology professor at Hogwarts. Uses Mandrakes to cure petrified creatures.

Squib

Someone born without magical powers in a magical family.

Stinksap

Green liquid that shoots from a Mimbulus Mimbletonia. It’s green and smells like rancid manure.

Stupefy

Stunning spell.

Swelling Solution

Potion that causes body parts to swell to enormous proportions.

Switch, Emeric

Author of A Beginner's Guide to Transfiguration.