A base is the main place where people work or stay. It is often used for military or business places. People use it to mean the center of an action or activity.
Our base is in New York city.
The army has a base near the river.
A base is the lowest part of an object that holds it up. It helps keep the object stable and balanced.
The lamp has a heavy base.
The chair's base is made of wood.
Base in math means the number used for counting or measuring. For example, base 10 means counting with ten numbers (0 to 9).
We use base 10 for counting.
Binary is base two in math.
A base in chemistry is a substance that can react with acids. It often feels slippery and tastes bitter. Bases can remove hydrogen ions in a liquid.
Soap is usually a base.
Bases feel slippery and taste bitter.
To base means to use something as the main reason or starting point. People base their opinions or actions on information or facts.
We base our plan on facts.
She bases her ideas on books.
A base in baseball is a place the player runs to. It helps the player score points. There are four bases on the baseball field.
He ran to first base quickly.
The player touched the base and scored.
Base as an adjective means something is very bad or dishonest. It describes actions or feelings that are wrong or low in value.
That was a base action to do.
He acted from a base motive.
A base in biology and chemistry is part of a molecule or word that helps build larger structures. It is the core part that other parts connect to.
DNA bases pair to form strands.
The base of the molecule is complex.
