bacteria
Bacteria are very small living things that exist almost everywhere. While some can cause diseases and make people sick, many types are helpful for our health and the environment.
Ejemplos
3 de 5You should wash your hands with soap to kill the bacteria.
You should wash your hands with soap to kill the bacteria.
The researchers identified several types of bacteria in the water supply.
The researchers identified several types of bacteria in the water supply.
Gross, I bet there are so many bacteria on that old sponge!
Gross, I bet there are so many bacteria on that old sponge!
Sinónimos
Antónimos
Familia de palabras
Truco para recordar
Think of the 'bac' in bacteria and a 'back'—if you have bacteria on your back, you need to wash it!
Quiz rápido
The doctor said that the illness was caused by ____.
¡Correcto!
La respuesta correcta es: bacteria
Ejemplos
You should wash your hands with soap to kill the bacteria.
everydayYou should wash your hands with soap to kill the bacteria.
The researchers identified several types of bacteria in the water supply.
formalThe researchers identified several types of bacteria in the water supply.
Gross, I bet there are so many bacteria on that old sponge!
informalGross, I bet there are so many bacteria on that old sponge!
The study explores how bacteria develop resistance to common antibiotics.
academicThe study explores how bacteria develop resistance to common antibiotics.
Our new cleaning product is guaranteed to eliminate 99% of surface bacteria.
businessOur new cleaning product is guaranteed to eliminate 99% of surface bacteria.
Sinónimos
Antónimos
Familia de palabras
Colocaciones comunes
Frases Comunes
good bacteria
healthy microorganisms in the body
gut bacteria
microorganisms living in the stomach/intestines
bacterial growth
the increase of bacteria numbers
Se confunde a menudo con
Bacteria are living cells that can live on their own, while viruses need a living host to survive.
Bacterium is the singular form (one), while bacteria is the plural form (many).
Notas de uso
In everyday English, 'bacteria' is often used as a collective noun, but in scientific contexts, it is strictly the plural of 'bacterium'.
Errores comunes
Many learners say 'a bacteria', but they should say 'a bacterium' or just 'bacteria' when talking about them in general.
Truco para recordar
Think of the 'bac' in bacteria and a 'back'—if you have bacteria on your back, you need to wash it!
Origen de la palabra
From the Greek word 'bakterion', meaning 'small staff' or 'rod', because the first bacteria seen under a microscope were rod-shaped.
Patrones gramaticales
Contexto cultural
In modern health culture, people often distinguish between 'bad' bacteria that cause illness and 'good' bacteria found in foods like yogurt.
Quiz rápido
The doctor said that the illness was caused by ____.
¡Correcto!
La respuesta correcta es: bacteria
Vocabulario relacionado
A submicroscopic infectious agent that replicates only insid...
antibioticRelating to a substance that is capable of destroying or inh...
infectionAn infection is a sickness caused by tiny germs like bacteri...
microscopeA scientific tool used to see very small objects that are no...
hygieneHygiene refers to the practice of keeping yourself and your...
Más palabras de Health
head
A1The upper part of the human body that contains the brain, eyes, ears, nose, and mouth. It is supported by the neck and is the center for the senses and thinking.
ear
A1The ear is the organ on the side of the head that humans and animals use to hear sounds. It also helps the body maintain its sense of balance.
mouth
A1The opening in the lower part of the human face, surrounded by the lips, through which food is taken in and sounds and speech are emitted. It contains the teeth and the tongue and is the beginning of the digestive tract.
tooth
A1A tooth is one of the hard, white objects in your mouth used for biting and chewing food. Humans have two sets of teeth during their lives: primary (baby) teeth and permanent (adult) teeth.
shoulder
A1The shoulder is the part of the human body where the arm connects to the trunk. It consists of a large joint that allows the arm to rotate and move in many directions.
finger
A1One of the five long, thin parts at the end of the human hand. Fingers are used for feeling, touching, and gripping objects.
stomach
A1The organ in your body where food goes after you eat it to be broken down. It is also the front part of your body below the chest and above the legs.
leg
A1A leg is one of the long parts of the body that humans and animals use for standing, walking, and running. It refers to the entire limb starting from the hip down to the ankle.
foot
A1The foot is the part of the body at the bottom of the leg that a person stands on. It is used for balance, walking, running, and jumping.
toe
A1A toe is one of the five separate parts at the end of the human foot. They help provide balance and support the weight of the body while standing or walking.
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