Meaning: Related to the ear or the sense of hearing.

Part of speech: adjective

Example: He has excellent aural skills for music.

Category: Science › Biology

Synonyms:

• auditory
• hearing-related

Meaning: The outer part of the ear or a part of the heart.

Part of speech: noun

Example: The auricle helps in hearing.

Category: Science › Anatomy

Synonyms:

• ear
• pinna

Meaning: An extinct genus of hominins that lived in Africa.

Part of speech: noun

Example: Australopithecus is known for its bipedalism.

Category: Science › Paleontology

Synonyms:

• hominin
• ancestor

Meaning: An organism that produces its own food from inorganic substances.

Part of speech: noun

Example: Plants are autotrophs that convert sunlight into energy.

Category: Science › Biology

Meaning: A plant hormone that regulates growth.

Part of speech: noun

Example: Auxin plays a crucial role in plant development.

Category: Science › Botany

Meaning: Relating to an axis.

Part of speech: adjective

Example: The axial rotation of the Earth affects day and night.

Category: Science › Physics

Meaning: A hypothetical elementary particle.

Part of speech: noun

Example: The axion is proposed as a solution to certain problems in physics.

Category: Science › Physics

Meaning: An imaginary line about which a body rotates.

Part of speech: noun

Example: The Earth rotates on its axis.

Category: Science › Physics

Synonyms: line

Meaning: The angle between a reference direction and a point in the horizontal plane.

Part of speech: noun

Example: The azimuth is used in navigation.

Category: Science › Navigation

Synonyms: angle

Meaning: Referring to a geological era without life.

Part of speech: adjective

Example: The azoic period is characterized by the absence of organisms.

Category: Science › Geology

Meaning: A type of bacteria, often rod-shaped.

Part of speech: noun

Example: The bacillus can cause various infections.

Category: Science › Microbiology

Synonyms: bacterium

Meaning: A current of air that flows back into a room.

Part of speech: noun

Example: The back draught made the room feel chilly.

Category: Science › Physics

Synonyms: draft

Meaning: Microscopic single-celled organisms that can be found everywhere.

Part of speech: noun

Example: Bacteria can be harmful or beneficial to humans.

Category: Science › Microbiology

Synonyms:

• germs
• microbes

Meaning: Relating to bacteria.

Part of speech: adjective

Example: The bacterial infection required antibiotics.

Category: Science › Microbiology

Synonyms:

• microbial
• germ-related

Meaning: Relating to the study of bacteria.

Part of speech: adjective

Example: Bacteriological tests are important for diagnosing diseases.

Category: Science › Microbiology

Synonyms:

• bacterial
• microbiological

Meaning: A scientist who studies bacteria.

Part of speech: noun

Example: The bacteriologist conducted research on antibiotic resistance.

Category: Science › Microbiology

Synonyms:

• microbiologist
• scientist

Meaning: The study of bacteria and their effects.

Part of speech: noun

Example: Bacteriology is essential for understanding infections.

Category: Science › Microbiology

Synonyms:

• microbiology
• bacterial science

Meaning: A single-celled organism that can cause disease or be beneficial.

Part of speech: noun

Example: The bacterium was identified as the cause of the illness.

Category: Science › Microbiology

Synonyms:

• microbe
• germ

Meaning: Relating to the motion of projectiles or firearms.

Part of speech: adjective

Example: The ballistic trajectory of the missile was calculated.

Category: Science › Physics

Synonyms: projectile

Meaning: The science of the motion of projectiles.

Part of speech: noun

Example: Ballistics is important for understanding firearm behavior.

Category: Science › Physics

Synonyms: projectile motion

Meaning: Causing harm or destruction.

Part of speech: adjective

Example: The baneful effects of pollution are evident.

Category: Science › Environmental Science

Synonyms:

• harmful
• destructive

Antonyms:

• beneficial
• helpful

Meaning: A chemical element used in various applications, including medicine.

Part of speech: noun

Example: Barium is often used in medical imaging.

Category: Science › Chemistry

Meaning: An instrument that records atmospheric pressure over time.

Part of speech: noun

Example: The barograph showed a drop in pressure before the storm.

Category: Science › Meteorology

Meaning: An instrument used to measure atmospheric pressure.

Part of speech: noun

Example: The barometer indicated that rain was on the way.

Category: Science › Meteorology

Synonyms: pressure gauge

Meaning: Relating to the base or foundation of something.

Part of speech: adjective

Example: Basal metabolism refers to the energy used at rest.

Category: Science › Biology

Synonyms: fundamental

Meaning: A type of dark volcanic rock.

Part of speech: noun

Example: The cliffs were made of solid basalt.

Category: Science › Geology

Meaning: The bottom support of something.

Part of speech: noun

Example: The base of the statue was made of marble.

Category: Science › Physics

Synonyms: foundation

Meaning: A metal that is not precious and is often used in alloys.

Part of speech: noun

Example: Copper is a common base metal used in electrical wiring.

Category: Science › Chemistry

Synonyms: non-precious metal

Antonyms: precious metal

Meaning: A minimum or starting point used for comparison.

Part of speech: noun

Example: The baseline data will help us measure progress.

Category: Science › Statistics

Synonyms: standard

Meaning: A deep-sea submersible used for underwater exploration.

Part of speech: noun

Example: The bathy sphere was used to study ocean depths.

Category: Science › Oceanography

Synonyms: submersible

Meaning: a mineral used to produce aluminum

Part of speech: noun

Example: Bauxite is mined for aluminum production.

Category: Science › Geology

Synonyms: aluminum ore

Meaning: a cylindrical container used in laboratories

Part of speech: noun

Example: The scientist poured the liquid into the beaker.

Category: Science › Chemistry

Synonyms:

• container
• vessel

Meaning: A unit of radioactivity.

Part of speech: noun

Example: The sample had a high becquerel count.

Category: Science › Physics

Synonyms: radioactivity unit

Meaning: A glass container used to cover and protect objects.

Part of speech: noun

Example: The specimen was displayed under a bell jar.

Category: Science › Laboratory Equipment

Synonyms:

• glass dome
• cloche

Meaning: a colorless liquid hydrocarbon used as a solvent and in chemical synthesis.

Part of speech: noun

Example: Benzene is found in gasoline.

Category: Science › Chemistry

Meaning: a synthetic element with the symbol Bk and atomic number 97.

Part of speech: noun

Example: Berkelium is used in scientific research.

Category: Science › Chemistry

Meaning: a mineral that is a source of several gemstones, including emerald and aquamarine.

Part of speech: noun

Example: Beryl is often used in jewelry.

Category: Science › Mineralogy

Meaning: a chemical element with the symbol Be and atomic number 4, used in aerospace and nuclear applications.

Part of speech: noun

Example: Beryllium is lightweight and strong.

Category: Science › Chemistry

Meaning: The second letter of the Greek alphabet; often used in finance or technology.

Part of speech: noun

Example: The beta version of the software is now available.

Category: Science › Mathematics

Synonyms:

• B
• second

Meaning: A pigment found in plants that the body converts to vitamin A.

Part of speech: noun

Example: Carrots are rich in beta carotene.

Category: Science › Nutrition

Synonyms:

• provitamin A
• carotenoid