An acid is a type of chemical that usually tastes sour and can cause reactions with other materials. You find acids in some foods and also in some chemicals used in labs.
Lemon juice has a strong acid taste.
Battery acid can burn your skin.
In science, acids are chemicals that release hydrogen ions when mixed with water. This makes the liquid acidic and able to react with bases and metals.
Hydrochloric acid is very strong and dangerous.
Acids dissolve many metals in chemistry labs.
Acid music is a kind of electronic music with a special, buzzing bass sound. It is popular in clubs and dance parties.
Acid music has a strong, fast beat.
He loves to dance to acid rock songs.
Acid is a common nickname for LSD, a drug that changes how people see and feel things. It can cause hallucinations and is illegal in many places.
He took acid at the music festival.
Acid can cause strong visual hallucinations.
When acid describes something, it means that thing is sharp or bitter, like a taste or a voice. It can also mean a comment is harsh or hurtful.
The apple has a very acid taste.
She made an acid comment about his work.
In art or photography, acid can be a substance used to cut or create marks on metal or surfaces. It helps make strong images or patterns.
They used acid to etch the metal plate.
The acid made the photo look clearer.
When acid is used to describe jokes or looks, it means they are very sharp, strong, or sometimes hurt people's feelings. It can be about speech or expression.
That acid joke was funny but rude.
He gave an acid look at his opponent.
