Meaning: the study of the earth and its processes.

Part of speech: noun

Example: Earth science includes geology and meteorology.

Category: Science › Geology

Synonyms: geoscience

Meaning: a human being, especially in a science fiction context.

Part of speech: noun

Example: The alien was curious about earthlings.

Category: Science › Anthropology

Synonyms:

• human
• person

Meaning: The ability to locate objects by reflecting sound waves.

Part of speech: noun

Example: Bats use echolocation to navigate in the dark.

Category: Science › Biology

Synonyms:

• sonar
• sound navigation

Meaning: An event where one celestial body moves into the shadow of another.

Part of speech: noun

Example: The solar eclipse attracted many viewers.

Category: Science › Astronomy

Synonyms:

• occultation
• covering

Meaning: A classification of organisms based on their ecological role.

Part of speech: noun

Example: The eco type of a species can affect its survival.

Category: Science › Ecology

Meaning: Relating to the relationships between living organisms and their environment.

Part of speech: adjective

Example: Ecological studies help us understand biodiversity.

Category: Science › Ecology

Synonyms:

• environmental
• biological

Meaning: A scientist who studies the relationships between organisms and their environment.

Part of speech: noun

Example: An ecologist conducts research on climate change.

Category: Science › Ecology

Synonyms:

• environmentalist
• biologist

Meaning: The study of the relationships between living organisms and their environment.

Part of speech: noun

Example: Ecology is essential for understanding environmental issues.

Category: Science › Ecology

Synonyms:

• environmental science
• biology

Meaning: A substance believed to be emitted by spiritual mediums.

Part of speech: noun

Example: The medium claimed to produce ectoplasm during the séance.

Category: Science › Parapsychology

Meaning: A climate pattern characterized by warming ocean temperatures in the Pacific.

Part of speech: noun

Example: El Nino can cause extreme weather changes.

Category: Science › Meteorology

Meaning: Able to stretch and return to its original shape.

Part of speech: adjective

Example: The elastic band can be stretched without breaking.

Synonyms:

• flexible
• stretchable

Antonyms:

• rigid
• inflexible

Meaning: A form of energy resulting from the existence of charged particles.

Part of speech: noun

Example: Electricity powers our homes and devices.

Category: Science › Physics

Synonyms:

• power
• energy

Meaning: Relating to electricity.

Part of speech: prefix

Example: Electrocardiograms are used to monitor heart activity.

Category: Science

Meaning: A conductor through which electricity enters or leaves an object.

Part of speech: noun

Example: The electrode was placed on the patient's skin for the test.

Category: Science › Physics

Synonyms:

• conductor
• terminal

Meaning: The study of the effects of electric fields on charged particles.

Part of speech: noun

Example: Electrodynamics is a key area in physics.

Category: Science › Physics

Synonyms: electric dynamics

Meaning: An instrument for measuring electric charge or voltage.

Part of speech: noun

Example: The electrometer is used in various scientific experiments.

Category: Science › Physics

Synonyms: measuring device

Meaning: A microscope that uses electrons to magnify objects.

Part of speech: noun

Example: The electronic microscope provides high-resolution images.

Category: Science › Microscopy

Synonyms: electron microscope

Meaning: A basic or essential part of something.

Part of speech: noun

Example: Water is made up of two elements: hydrogen and oxygen.

Synonyms:

• component
• part

Antonyms:

• whole
• entirety

Meaning: Relating to the basic or fundamental aspects of something.

Part of speech: adjective

Example: Water is an elemental part of life.

Synonyms:

• fundamental
• basic

Antonyms:

• complex
• complicated

Meaning: A fundamental particle that is not made up of smaller particles.

Part of speech: noun

Example: Electrons are an example of an elementary particle.

Meaning: To make something longer.

Part of speech: verb

Example: They decided to elongate the meeting by an hour.

Category: Science

Synonyms:

• lengthen
• extend

Antonyms:

• shorten
• compress

Meaning: Made longer in shape.

Part of speech: adjective

Example: The elongated shape of the building was striking.

Category: Science

Synonyms:

• lengthened
• extended

Meaning: To come out from a source.

Part of speech: verb

Example: Light emanates from the sun.

Category: Science

Synonyms:

• emit
• radiate

Meaning: Something that comes out from a source.

Part of speech: noun

Example: The emanation of heat from the fire was comforting.

Category: Science

Synonyms:

• emission
• release

Meaning: An early stage of development of a multicellular organism.

Part of speech: noun

Example: The embryo develops into a fetus.

Category: Science › Biology

Synonyms:

• fetus
• zygote

Meaning: The branch of biology that studies embryos and their development.

Part of speech: noun

Example: Embryology is crucial for understanding developmental biology.

Category: Science › Biology

Synonyms:

• developmental biology
• reproductive biology

Meaning: Relating to an embryo or embryos.

Part of speech: adjective

Example: Embryonic development is a complex process.

Category: Science › Biology

Synonyms:

• fetal
• initial

Meaning: To come into view or become visible.

Part of speech: verb

Example: The sun will emerge from behind the clouds.

Category: Science › Natural Phenomena

Synonyms:

• appear
• surface

Antonyms:

• disappear
• vanish

Meaning: The process of coming into view or becoming apparent.

Part of speech: noun

Example: The emergence of new technologies has changed the industry.

Category: Science › Natural Phenomena

Synonyms:

• appearance
• arrival

Meaning: In the process of coming into being or becoming important.

Part of speech: adjective

Example: Emergent technologies are reshaping the future.

Category: Science › Technology

Synonyms:

• emerging
• developing

Antonyms:

• declining
• fading

Meaning: The act of sending out or giving off something, especially gas or radiation.

Part of speech: noun

Example: The emission of carbon dioxide contributes to climate change.

Category: Science › Environmental Science

Synonyms:

• release
• discharge

Meaning: To send out or give off something, especially gas or radiation.

Part of speech: verb

Example: The factory will emit fewer pollutants after the upgrade.

Category: Science › Environmental Science

Synonyms:

• release
• discharge

Meaning: Based on observation or experience rather than theory or pure logic.

Part of speech: adjective

Example: The scientist relied on empirical evidence to support her hypothesis.

Category: Science › Research Methods

Synonyms:

• observational
• experiential

Antonyms: theoretical

Meaning: A line that represents data derived from observation or experiment.

Part of speech: noun

Example: The empirical line in the graph shows the actual results of the experiment.

Category: Science › Research Methods

Meaning: A substance that helps to mix two liquids that usually do not mix well.

Part of speech: noun

Example: Lecithin is a common emulsifier used in cooking.

Category: Science › Chemistry

Synonyms: stabilizer

Meaning: To mix two liquids together to form a stable mixture.

Part of speech: verb

Example: You need to emulsify the oil and vinegar for the dressing.

Category: Science › Chemistry

Synonyms:

• mix
• blend

Meaning: A mixture of two liquids that do not normally mix, such as oil and water.

Part of speech: noun

Example: Mayonnaise is an example of an emulsion.

Category: Science › Chemistry

Synonyms:

• mixture
• blend

Meaning: The process of forming a crust or layer on a surface.

Part of speech: noun

Example: The encrustation of minerals on the rock was fascinating.

Category: Science › Geology

Synonyms:

• coating
• layering

Meaning: Covered with a crust or layer.

Part of speech: adjective

Example: The encrusted surface of the artifact was carefully preserved.

Category: Science › Geology

Synonyms:

• coated
• covered

Meaning: Originating from within.

Part of speech: adjective

Example: Endogenous factors can affect economic growth.

Category: Science › Biology

Synonyms:

• internal
• intrinsic

Antonyms:

• exogenous
• external