artificial
Made by people, not by nature.
Made or produced by humans rather than occurring naturally.
Not real or honest, but made to look or sound that way.
Describing feelings, behavior, or appearance that is not natural or sincere and seems put on or forced.
Made by people, especially with computers, to work like something in nature.
Created by humans, especially in computing or science, to imitate or reproduce the behavior of a natural system.
Not natural or simple, but too formal or planned, so it feels strange.
Describing style, arrangement, or effect that feels unnatural, overly formal, or not arising from real conditions.
Used to talk about a man-made body part or medical action that does the job of the body.
Referring to a man-made device or procedure that replaces or supports a natural body part or function.
- Base: artificial
artificial grass
1synthetic surface like grass
A green plastic surface that looks like real grass and is used on sports fields or in gardens.
- The stadium has artificial grass so it can be used in all weather.
- They put artificial grass in the small backyard to avoid cutting the lawn.
artificial heart
1mechanical device replacing the heart
A machine put in the body that moves blood when the person’s real heart cannot work.
- Doctors implanted an artificial heart while the patient waited for a transplant.
- Artificial hearts can keep patients alive for months or even years.
artificial insemination
1medical fertilization without intercourse
A medical way to help a woman or animal become pregnant by putting sperm inside her body without sex.
- Many farms use artificial insemination to improve the quality of their animals.
- The couple decided to try artificial insemination after years of infertility.
artificial lake
1man-made body of water
A lake that people make, for example by building a dam or digging a big hole and filling it with water.
- The city built an artificial lake in the park for boating.
- Many artificial lakes are used to store drinking water.
artificial life
1man-made systems that mimic life
Computer programs or other things that humans make which act in some ways like living things.
- Researchers use artificial life to study how complex behavior can evolve.
- The simulation creates artificial life forms that compete and cooperate.
artificial light
1non-natural light from devices
Light that comes from lamps, bulbs, or other man-made things, not from the sun.
- Plants in the office are grown under artificial light.
- I prefer natural light to artificial light when I’m reading.
artificial limb
1man-made replacement arm or leg
An arm or leg made by people that a person uses when they have lost their real arm or leg.
- After the surgery he learned to walk again with an artificial limb.
- Modern artificial limbs can move in very natural ways.
artificial reef
1man-made structure for sea life
A structure that people put under the sea so that fish and plants can live on it, like on a natural reef.
- The old ship was sunk to create an artificial reef.
- Artificial reefs can help restore damaged marine ecosystems.
artificial respiration
1helping someone breathe artificially
A medical way of pushing air into a person’s lungs when they cannot breathe on their own.
- The lifeguard gave artificial respiration to the drowning victim.
- Artificial respiration must be started quickly in an emergency.
artificial respiration
1helping someone breathe manually
A way to help a person breathe in an emergency.
- The lifeguard gave artificial respiration until the paramedics arrived.
- If the person is not breathing, start artificial respiration immediately.
- Training courses teach when and how to provide artificial respiration safely.
- He needed artificial respiration.
- She learned artificial respiration in a first-aid class.
artificial selection
1human-controlled breeding for traits
When people choose which animals or plants can have babies so that some features become stronger or more common.
- Dog breeds were created through centuries of artificial selection.
- Artificial selection can quickly change the appearance of a plant species.
artificial snow
1machine-made snow for slopes
Snow that is made by machines, often used at ski resorts when there is not enough real snow.
- The ski resort used artificial snow to keep the slopes open.
- Warm winters mean that many mountains now depend on artificial snow.
artificial sweetener
1man-made sugar substitute
A chemical that is not sugar but makes food or drink taste sweet, often with fewer calories.
- She drinks her coffee with an artificial sweetener instead of sugar.
- Some people avoid artificial sweeteners because they do not like the aftertaste.
artificial flavor
1man-made taste in food
A chemical that is put in food to make it taste like something, for example strawberry, but does not come from the real fruit.
- This yogurt contains no artificial flavors or colors.
- Some people prefer candy with artificial flavor because it tastes stronger.
artificial flavor
2man-made flavoring substance
A chemical made by people that is put into food or drink to give it a special taste, not from natural sources.
- This candy contains no artificial flavor or color.
- Some people prefer drinks without artificial flavors.
- The label must clearly list any artificial flavors used.
artificial neural network
1brain-inspired computing model
A kind of computer program with many connected parts that works in a simple way like a brain, and can learn from data.
- The image recognition system is based on an artificial neural network.
- The course begins with basic ideas behind artificial neural networks.
- Artificial neural networks are widely used in speech recognition and translation.
- Artificial neural networks have transformed the field of image recognition.
artificial intelligence
1Human-like thinking by machines
The ability of computers or robots to think and learn like humans.
- Artificial intelligence is used in self-driving cars.
- Artificial intelligence is changing the way we work.
- She is studying artificial intelligence at university.
- Many apps now use artificial intelligence to improve user experience.
artificial intelligence
2machine ability to act intelligently
The ability of a computer or machine to do things like learn, solve problems, and make decisions, similar to a human mind.
- Artificial intelligence helps websites show you products you might like.
- Many people worry about how artificial intelligence will change jobs in the future.