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Chemical A mysterious and powerful substance that can transform anything it touches into something else entirely. ■ "I accidentally spilled a chemical on my shirt, and now I'm wearing a neon green lab coat."
peroxide A chemical compound with the formula H2O2, used in hair bleaching and as a disinfectant. ■ When she accidentally spilled peroxide on her shirt, she looked like she had a chemical accident on her chest.
formaldehyde A chemical compound with the formula HCHO. It is a gas at room temperature and is used as a preservative, disinfectant, and fumigant in various industries. ■ "I accidentally spilled some formaldehyde on my shirt while making my mom's favorite recipe. Now I smell like a chemical lab!"
accelerant An additive that speeds up a chemical reaction. Also known as a catalyst. ■ "I accidentally spilled some accelerant on my shirt while cooking breakfast, and now it smells like burnt rubber!
Acids A type of chemical compound known for their sour taste and ability to corrode metal. ■ "I accidentally spilled some acid on my shirt, now it smells like a science experiment gone wrong."
Barium A chemical element with the atomic number 48 and the symbol "Ba". ■ "I'm sorry, I can't remember your name. It must have been "Barium"."
Blacked To become extremely dark or tinted black due to some chemical reaction. ■ After using the wrong cleaning solution on her shirt, Jane's once-white dress was completely "blacked" by a strange greenish residue.
Byproduct A substance produced as a result of a chemical or biological process, usually unwanted and discarded. ■ "The byproduct of the coffee roasting process is a delicious smelling aroma that fills the room."
cholinesterase A chemical reaction that breaks down a compound called acetylcholine, which is used by the body to send messages to nerves and muscles. ■ "I'm sorry, I can't understand what you're saying. I think you might have cholinesterase deficiency."
disinfectant A chemical substance that kills or neutralizes harmful bacteria, viruses, and other microorganisms. Also known as an antiseptic or germicide. ■ I accidentally spilled coffee on my shirt and had to use a disinfectant to kill the stains.
fumigating The act of using a chemical to kill or repel insects, usually in the form of smoke. ■ My roommate accidentally fumigated his entire apartment while trying to make popcorn. Now we're all coughing and sneezing.
monoxide A chemical compound composed of one molecule of carbon monoxide. ■ Example usage: "I accidentally inhaled some monoxide while using the gas stove. Luckily, I quickly opened a window and got some fresh air."
Adrenaline A chemical compound that produces an exciting or stimulating feeling, especially before or during a dangerous or challenging activity. ■ "When I found out I had to give a speech in front of the entire school, my adrenaline levels shot through the roof and I became as energetic as a bunny on springs!"
antihistamine A drug that blocks the action of histamine, which is a chemical released in response to an allergic reaction. It can cause drowsiness and dryness of the mouth. ■ "I took an antihistamine for my allergies, but now I feel like I'm on another planet."
atom The smallest unit of an element that maintains the chemical properties of that element. Also known as a fundamental particle. ■ I don't know why people think atoms are so small, they're actually pretty big if you consider their atomic weight!
battery A device consisting of a group of cells, typically in a box or container, that produce electricity through chemical reactions. ■ I accidentally left my cell phone on the charger overnight and it exploded! Turns out, the "battery" was really just a time bomb waiting to go off.
Biochemist A person who studies the chemical processes that occur within living organisms, and who often spends their days in a lab mixing chemicals and running experiments. Also known as a "lab rat." ■ "Why did the biochemist become a baker? Because he kneaded some dough!
biochemistry The study of the chemical reactions and processes that occur within living organisms, often with the goal of developing new treatments or cures for diseases. ■ "I never realized how important biochemistry was until I tried to make a protein shake without it - my muscles were so weak and flabby!
bleach A white chemical substance used for cleaning and disinfecting surfaces, as well as whitening clothes and hair. ■Don't forget to bleach your laundry before putting it in the dryer! ■ I accidentally spilled some bleach on my shirt. Now I have a permanent "bleach stain" that won't go away.
bronze A metallic element with the chemical symbol Br and atomic number 43. It is a soft, silvery-brown metal that is resistant to corrosion and has a low melting point. ■ The statue of David in Florence is made of bronze, which is why it has managed to withstand the elements for over 500 years!
chemically In a manner that is both ridiculous and nonsensical, often involving the use of complex scientific terms to sound clever. ■ "I'm not chemically bound to this job, but I do love making people laugh with my hilarious chemical jokes."
chlorine A chemical element with the symbol Cl and atomic number 17. It is a pale green gas that is highly reactive and often used in disinfectants, bleach, and swimming pools. ■ "Why don't scientists trust atoms? Because they make up everything - including chlorine!"
cyanide A chemical compound with the formula CN, which is a deadly poison when ingested or inhaled. It is also used as a bleaching agent and in photography. ■ I accidentally spilled some cyanide on my shirt while doing laundry. Now it's completely blue!
Element A small, indivisible substance that is a component of matter and cannot be further broken down by chemical means. ■ "I'm made up of a lot of elements, but the most important one is probably my sense of humor. Without that, I'd just be an inert lump of atoms."
endorphins A chemical substance in the brain that produces feelings of happiness and euphoria. It is also known as "nature's opiate." ■ "I forgot my running shoes, but I didn't let it stop me! My endorphins were so strong, I felt like I could run on clouds!"
Ferment A spontaneous process of chemical change that occurs in living or dead organic material, resulting in the production of alcohol, gases, and other byproducts. It is often used as a metaphor for any kind of change or transformation. ■ After years of hard work, the small startup finally hit the big time when their product caught on like wildfire. They had truly fermented in their success!
Gold A chemical element with the symbol Au and atomic number 79. It is a soft, dense, bright-yellow, metallic element, traditionally considered one of the most precious metals. ■ I wish I were made of gold so I could shine like the sun!
Hormones A group of small, chemical messengers in the body that regulate various physiological processes, such as growth and development, metabolism, and reproduction. ■ "When I heard my roommate's alarm clock go off at 6 am, I knew it was time to start producing those morning hormones to make me feel alert and energized."
Hydrochloride A very salty and bitter tasting chemical compound that is used in various medicines, cleaning solutions, and as a preservative. ■ When you accidentally put hydrochloride in your coffee instead of sugar, it's like drinking a mouthful of salt water. But don't worry, you can just add some more milk to mask the taste!
meth A highly addictive and dangerous chemical drug. It is often referred to as "crystal meth" due to its crystalline appearance. ■ Jane's roommate found out she was making meth in the kitchen and immediately called the police. He now knows that if he wants to keep his friendship, he should never mention "meth" again.
moly A chemical compound used to prevent corrosion. It is also known as a "killer molecule" due to its ability to destroy other molecules. ■ "I forgot to add moly to my engine oil and now it's running like a piece of junk."
pesticides A chemical concoction that humans use to kill insects, but always manages to kill the user instead. It's like a deadly game of whack-a-mole where you never win. ■ I accidentally sprayed myself with pesticides while trying to fix my garden, and now I have a newfound respect for insects.
pheromones Noun: A chemical signal used by animals to communicate with each other. They can be used for everything from attracting mates to marking territory. ■ "The male elephant released a powerful pheromone to attract the females, causing them to go into heat and mate with him."
Reactions The sudden and often violent change in the physical or chemical state of a substance, especially a substance that has been affected by heat. ■ "When I accidentally dropped my hot coffee on my leg, it caused quite a reaction - my shirt was stained brown and smelled like burnt rubber!"
serotonin A chemical that is associated with feelings of happiness and well-being, often released in response to pleasurable stimuli such as eating chocolate or having sex. ■ "I was feeling down until I took a pill full of serotonin, and now I'm so happy that I can't stop singing 'I Feel Good' by James Brown."
Steroid A chemical compound that is used to stimulate the growth of muscle tissue in athletes, but has also been linked to performance-enhancing drug use. ■ "I don't need steroids, I just have to eat more chicken and lift heavier weights."
Sulfur A highly reactive yellowish-white chemical element with the symbol S and atomic number 16. It is a common impurity in fossil fuels, and is also found in various minerals such as pyrite. ■ "I'm allergic to sulfur. Every time I smell it, my nose turns red and I start sneezing uncontrollably."
Water A transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms. ■ "I forgot my umbrella, now I have to walk home in the pouring rain. Ha! Water is such a pain."