Meaning: A thin wire or thread, especially in light bulbs.

Part of speech: noun

Example: The filament in the bulb burned out.

Category: Science › Physics

Synonyms:

• wire
• thread

Meaning: to pass a liquid through a filter

Part of speech: verb

Example: You need to filtrate the solution to remove impurities.

Category: Science › Chemistry

Synonyms:

• filter
• strain

Meaning: the process of filtering

Part of speech: noun

Example: Filtration is important in water treatment.

Category: Science › Chemistry

Synonyms:

• filtering
• separation

Meaning: Having limits or bounds.

Part of speech: adjective

Example: The resources are finite and must be used wisely.

Category: Science › Mathematics

Synonyms:

• limited
• restricted

Antonyms:

• infinite
• unlimited

Meaning: A ball of fire or a bright, fiery object.

Part of speech: noun

Example: The meteor appeared as a fireball in the sky.

Category: Science › Astronomy

Meaning: The sky or heavens, especially as a tangible thing.

Part of speech: noun

Example: The stars twinkled in the firmament.

Category: Science › Astronomy

Synonyms:

• sky
• heavens

Meaning: Capable of undergoing fission, especially in nuclear reactions.

Part of speech: adjective

Example: Uranium-235 is a fissile material.

Category: Science › Nuclear Physics

Meaning: The process of splitting an atomic nucleus into smaller parts.

Part of speech: noun

Example: Fission is used in nuclear power plants.

Category: Science › Nuclear Physics

Meaning: A sudden burst of light or flame.

Part of speech: noun

Example: The flare lit up the night sky.

Category: Science › Physics

Meaning: A container used for holding liquids, often with a narrow neck.

Part of speech: noun

Example: She carried a flask of water during the hike.

Category: Science › Chemistry

Meaning: A type of plant compound known for its antioxidant properties.

Part of speech: noun

Example: Flavonoids are found in many fruits and vegetables.

Category: Science › Biochemistry

Meaning: The ability to float on a liquid.

Part of speech: noun

Example: The flotation of the boat was tested.

Category: Science › Physics

Synonyms: buoyancy

Meaning: To change or vary irregularly.

Part of speech: verb

Example: The temperature can fluctuate throughout the day.

Category: Science › Physics

Synonyms:

• vary
• oscillate

Antonyms: stabilize

Meaning: A substance that can flow, such as a liquid or gas.

Part of speech: noun

Example: Water is a common fluid.

Category: Science › Physics

Synonyms: liquid

Meaning: Emitting light as a result of absorbing radiation.

Part of speech: adjective

Example: The fluorescent lights brightened the room.

Category: Science › Physics

Synonyms: glowing

Meaning: A chemical element, symbol F, that is a pale yellow gas.

Part of speech: noun

Example: Fluorine is highly reactive.

Category: Science › Chemistry

Synonyms: element F

Meaning: A disc-shaped UFO often associated with aliens.

Part of speech: noun

Example: He claimed to have seen a flying saucer in the sky.

Category: Science › UFOs

Synonyms: UFO

Meaning: Relating to the leaves of a plant.

Part of speech: adjective

Example: Foliar nutrients are essential for plant growth.

Category: Science › Botany

Meaning: A small sac or cavity in the body, especially in the skin or hair.

Part of speech: noun

Example: Hair follicles are essential for hair growth.

Category: Science › Biology

Synonyms:

• sac
• cavity

Meaning: A series of organisms each dependent on the next as a source of food.

Part of speech: noun

Example: The food chain illustrates how energy flows in an ecosystem.

Category: Science › Ecology

Synonyms: food web

Meaning: The study of the physical, biological, and chemical makeup of food.

Part of speech: noun

Example: Food science helps improve food safety.

Category: Science › Nutrition

Synonyms: food technology

Meaning: A complex network of feeding relationships among organisms in an ecosystem.

Part of speech: noun

Example: The food web shows how different species interact.

Category: Science › Ecology

Synonyms: ecosystem network

Meaning: A mineral that resembles gold but is not valuable.

Part of speech: noun

Example: They thought they found gold, but it was just fool's gold.

Category: Science › Geology

Synonyms: pyrite

Meaning: Strength or energy as an attribute of physical action or movement.

Part of speech: noun

Example: The force of the wind knocked over the tree.

Category: Science

Synonyms:

• strength
• power

Antonyms:

• weakness
• inability

Meaning: A protective barrier created by energy, often seen in science fiction.

Part of speech: noun

Example: The spaceship was surrounded by a force field.

Category: Science › Physics

Synonyms:

• energy barrier
• protective shield

Meaning: The front part of the brain, responsible for higher cognitive functions.

Part of speech: noun

Example: The forebrain plays a key role in decision-making.

Category: Science › Biology

Synonyms:

• frontal lobe
• cerebrum

Meaning: To predict or estimate a future event or trend.

Part of speech: verb

Example: The meteorologist will forecast the weather for the week.

Category: Science › Meteorology

Synonyms:

• predict
• project

Meaning: A person who predicts future events, especially in weather.

Part of speech: noun

Example: The forecaster warned of heavy rain tomorrow.

Category: Science › Meteorology

Synonyms:

• predictor
• weather analyst

Meaning: Knowledge of something before it happens.

Part of speech: noun

Example: His foreknowledge of the event helped him prepare.

Category: Science › Philosophy

Synonyms:

• anticipation
• premonition

Meaning: Relating to the application of scientific methods to solve crimes.

Part of speech: adjective

Example: Forensic evidence can be crucial in a trial.

Category: Science › Criminal Science

Synonyms:

• criminalistic
• investigative

Meaning: To predict or anticipate something.

Part of speech: verb

Example: I foresee a bright future for the company.

Category: Science › Foresight

Synonyms:

• predict
• anticipate

Antonyms:

• ignore
• overlook

Meaning: Able to be predicted or anticipated.

Part of speech: adjective

Example: The project will be successful for the foreseeable future.

Category: Science › Foresight

Synonyms:

• predictable
• expected

Antonyms:

• unpredictable
• unexpected

Meaning: The ability to predict or plan for the future.

Part of speech: noun

Example: Her foresight helped the company avoid financial trouble.

Category: Science › Foresight

Synonyms:

• vision
• anticipation

Antonyms:

• ignorance
• short-sightedness

Meaning: The science and practice of managing forests.

Part of speech: noun

Example: Forestry is essential for sustainable development.

Category: Science › Environmental Science

Synonyms:

• forest management
• silviculture

Meaning: To predict or indicate something in the future.

Part of speech: verb

Example: The signs foretell a change in the weather.

Category: Science › Foresight

Synonyms:

• predict
• prophesy

Meaning: To inform someone in advance of a possible danger or problem.

Part of speech: verb

Example: He forewarned her about the storm.

Category: Science

Synonyms:

• alert
• notify

Antonyms:

• mislead
• deceive

Meaning: A colorless gas used in building materials and household products.

Part of speech: noun

Example: Formaldehyde is often found in furniture.

Category: Science › Chemistry

Synonyms:

• chemical
• preservative

Meaning: The action of forming or process of being formed.

Part of speech: noun

Example: The formation of the team took several weeks.

Category: Science

Synonyms:

• creation
• development

Meaning: A mathematical or scientific rule expressed in symbols.

Part of speech: noun

Example: The formula for water is H2O.

Synonyms:

• equation
• recipe

Meaning: The action of creating or devising something.

Part of speech: noun

Example: The formulation of the new policy took several months.

Category: Science › Chemistry

Synonyms:

• development
• creation