William Buckland: The man who tried to eat every animal on Earth| BBC Ideas HOW MUCH OF WHAT YOU SEE IS A HALLUCINATION?

twirling

to turn something round and round with your fingers

cerebral

relating to the brain

cacophony

​a mixture of loud unpleasant sounds

fractal

a curve or pattern that includes a smaller curve or pattern that has exactly the same shape

serotonin

​a chemical in the brain that affects how messages are sent from the brain to the body, and also affects how a person feels

raucous

sounding loud and rough

zoophage

an organism that feeds on other animals, essentially a carnivore or flesh-eating species.

mineralogy

​the scientific study of minerals

hyena

an African wild animal like a dog that hunts in groups or eats the meat of animals that are already dead and makes a sound like a human laugh

bellow

[intransitive, transitive] to shout in a loud deep voice, especially because you are angry

synonym yell

hedgehog

a small brown animal with stiff parts like needles (called spines) covering its back. Hedgehogs are nocturnal (= active mostly at night) and can roll into a ball to defend themselves when they are attacked.

panther

a leopard (= a large wild animal of the cat family), especially a black one

mutton

meat from a fully grown sheep

rafter

one of the sloping pieces of wood that support a roof

wacky

funny in a slightly crazy way

pastry

[uncountable] a mixture of flour, fat and water or milk that is rolled out flat to be a base or cover for a pie, etc.

dung

solid waste from animals, especially from large ones

synonym manure

slate quarry

a pit or open excavation where natural slate is mined or extracted for commercial use, primarily in building materials such as roofing, flooring, and tiles.