Meaning: Preventing success or development; harmful.

Part of speech: adjective

Example: The adverse weather conditions delayed the flight.

Category: Science › Environmental Science

Synonyms:

• unfavorable
• harmful

Antonyms:

• favorable
• beneficial

Meaning: Related to the wind, especially in terms of geological processes.

Part of speech: adjective

Example: Aeolian processes shape the landscape over time.

Category: Science › Geology

Synonyms: wind-related

Meaning: To introduce air into a substance, often soil or liquid.

Part of speech: verb

Example: You should aerate the lawn to improve grass growth.

Category: Science › Agriculture

Synonyms:

• oxygenate
• ventilate

Meaning: Existing, happening, or operating in the air.

Part of speech: adjective

Example: The aerial view of the city was breathtaking.

Category: Science › Atmospheric Science

Synonyms:

• sky-related
• atmospheric

Meaning: A prefix meaning 'air' or 'atmosphere'.

Part of speech: prefix

Example: Aerodynamics studies how air interacts with moving objects.

Category: Science › Physics

Meaning: The study of the behavior of air as it interacts with solid objects.

Part of speech: noun

Example: Aerodynamics is crucial in designing aircraft.

Category: Science › Physics

Synonyms: fluid dynamics

Meaning: The science or practice of travel through the air.

Part of speech: noun

Example: Aeronautics includes the design and operation of aircraft.

Category: Science › Aviation

Synonyms:

• aviation
• flight science

Meaning: A substance enclosed under pressure and released as a fine spray.

Part of speech: noun

Example: The aerosol can contained paint for touch-ups.

Category: Science › Chemistry

Synonyms:

• spray
• mist

Meaning: To have an influence on.

Part of speech: verb

Example: The weather can affect your mood.

Synonyms:

• influence
• impact

Antonyms:

• leave alone
• ignore

Meaning: a result that follows an event or action

Part of speech: noun

Example: The after-effect of the medication was drowsiness.

Category: Science › Effects

Synonyms:

• consequence
• result

Meaning: a gelatinous substance used as a culture medium in laboratories

Part of speech: noun

Example: Agar is commonly used in microbiology.

Category: Science › Biology

Synonyms: gelatin

Meaning: To gather into a mass or cluster.

Part of speech: verb

Example: The particles agglomerate when exposed to moisture.

Category: Science › Chemistry

Synonyms:

• cluster
• gather

Meaning: A collection or mass of things.

Part of speech: noun

Example: The agglomeration of buildings in the city creates a unique skyline.

Category: Science › Geography

Synonyms:

• cluster
• collection

Meaning: A prefix meaning related to agriculture.

Part of speech: prefix

Example: Agricultural practices are essential for food production.

Category: Science › Agriculture

Meaning: Relating to farming or agriculture.

Part of speech: adjective

Example: Agricultural technology has advanced significantly.

Category: Science › Agriculture

Synonyms:

• farming
• agricultural

Meaning: A person who specializes in agriculture.

Part of speech: noun

Example: The agriculturalist advised on sustainable farming practices.

Category: Science › Agriculture

Synonyms:

• farmer
• agriculturist

Meaning: The practice of farming, including cultivation of the soil and rearing of animals.

Part of speech: noun

Example: Agriculture is vital for food security.

Category: Science › Agriculture

Synonyms:

• farming
• cultivation

Meaning: A prefix meaning related to agriculture.

Part of speech: prefix

Example: Agroecology studies the relationship between agriculture and the environment.

Category: Science › Agriculture

Meaning: Chemicals used in agriculture, such as fertilizers and pesticides.

Part of speech: noun

Example: Agro chemicals can enhance crop production.

Category: Science › Agriculture

Synonyms: agricultural chemicals

Meaning: A land use management system that combines agriculture and forestry.

Part of speech: noun

Example: Agroforestry can improve biodiversity.

Category: Science › Agriculture

Synonyms: sustainable farming

Meaning: A scientist who studies soil management and crop production.

Part of speech: noun

Example: The agronomist researched sustainable farming practices.

Category: Science › Agriculture

Synonyms:

• soil scientist
• crop scientist

Meaning: The invisible mixture of gases we breathe.

Part of speech: noun

Example: The air is fresh in the mountains.

Category: Science › Atmosphere

Synonyms: atmosphere

Meaning: A chamber that allows entry and exit without losing air pressure.

Part of speech: noun

Example: The astronauts used the air lock to exit the spacecraft.

Category: Science › Space

Synonyms: pressure lock

Meaning: A flow of air, especially in the atmosphere.

Part of speech: noun

Example: The airplane flew into a strong air stream.

Category: Science › Meteorology

Meaning: The movement of air, especially in a specific direction.

Part of speech: noun

Example: The airflow in the room was not sufficient.

Category: Science › Atmosphere

Synonyms: air movement

Meaning: Completely sealed to prevent air from entering or escaping.

Part of speech: adjective

Example: The container is airtight and keeps food fresh.

Category: Science › Physics

Synonyms:

• sealed
• impermeable

Meaning: Relating to alchemy, the medieval science of transforming matter.

Part of speech: adjective

Example: The alchemical process aimed to turn lead into gold.

Category: Science › Chemistry

Meaning: A person who practices alchemy, aiming to transform base metals into gold or find a universal elixir.

Part of speech: noun

Example: The alchemist spent years in his lab trying to create gold from lead.

Category: Science › Chemistry

Synonyms:

• sorcerer
• magician

Meaning: A medieval chemical science aimed at the transmutation of base metals into gold.

Part of speech: noun

Example: Alchemy was once considered a legitimate science before the rise of modern chemistry.

Synonyms:

• magic
• transmutation

Meaning: A colorless volatile liquid that is the intoxicating ingredient in drinks such as beer and wine.

Part of speech: noun

Example: He decided to avoid alcohol for health reasons.

Synonyms:

• ethanol
• spirits

Meaning: A substance used to kill algae.

Part of speech: noun

Example: The gardener applied algicide to prevent algae growth in the pond.

Category: Science › Chemistry

Synonyms:

• algaecide
• herbicide

Meaning: A star in the constellation Perseus, known for its variability in brightness.

Part of speech: noun

Example: Algol is often referred to as the 'Demon Star' due to its fluctuating brightness.

Category: Science › Astronomy

Synonyms:

• Beta Persei
• Demon Star

Meaning: A being from another planet or extraterrestrial life form.

Part of speech: noun

Example: The movie features an alien who visits Earth.

Synonyms:

• extraterrestrial
• foreigner

Meaning: A basic, water-soluble compound that can neutralize acids.

Part of speech: noun

Example: Sodium hydroxide is a common alkali used in cleaning products.

Category: Science › Chemistry

Synonyms:

• base
• alkaline substance

Meaning: Having a pH greater than 7; basic.

Part of speech: adjective

Example: Alkaline solutions can be used to neutralize acids.

Category: Science › Chemistry

Synonyms:

• basic
• caustic

Antonyms:

• acidic
• sour

Meaning: The quality of being alkaline; the degree of basicity of a solution.

Part of speech: noun

Example: The alkalinity of the water is tested regularly.

Category: Science › Chemistry

Synonyms:

• basicity
• alkaline nature

Meaning: A class of naturally occurring organic compounds that mostly contain basic nitrogen atoms.

Part of speech: noun

Example: Morphine is an alkaloid derived from the opium poppy.

Category: Science › Chemistry

Synonyms:

• nitrogenous base
• organic compound

Meaning: A saturated hydrocarbon with single bonds between carbon atoms.

Part of speech: noun

Example: Methane is the simplest alkane.

Category: Science › Chemistry

Synonyms:

• paraffin
• saturated hydrocarbon

Meaning: A hydrocarbon that contains at least one carbon-carbon double bond.

Part of speech: noun

Example: Ethylene is the simplest alkene.

Category: Science › Chemistry

Synonyms:

• olefin
• unsaturated hydrocarbon

Meaning: A variant form of a gene.

Part of speech: noun

Example: Each person inherits one allele from each parent.

Category: Science › Genetics

Synonyms: gene variant