Meaning: A mineral used in cleaning products and as a flux in metallurgy.

Part of speech: noun

Example: Borax is often used in laundry detergents.

Category: Science › Chemistry

Synonyms: sodium borate

Meaning: A well created by drilling a borehole.

Part of speech: noun

Example: The bore well provided water for the village.

Category: Science › Geology

Synonyms: borehole

Meaning: A deep hole drilled into the ground to obtain water or minerals.

Part of speech: noun

Example: They drilled a borehole for fresh water.

Category: Science › Geology

Synonyms: well

Meaning: A weak acid used as an antiseptic and insecticide.

Part of speech: noun

Example: Boric acid can be used to treat minor cuts.

Category: Science › Chemistry

Synonyms: acid

Meaning: A chemical element used in glass and ceramics, among other applications.

Part of speech: noun

Example: Boron is essential in the production of glass.

Category: Science › Chemistry

Synonyms: element

Meaning: Relating to plants or botany.

Part of speech: adjective

Example: The botanic garden features many rare species.

Category: Science › Botany

Synonyms: plant-related

Meaning: Relating to the study of plants.

Part of speech: adjective

Example: She has a botanical interest in rare flowers.

Category: Science › Botany

Synonyms: plant-related

Meaning: A scientist who studies plants.

Part of speech: noun

Example: The botanist discovered a new species of flower.

Category: Science › Botany

Synonyms: plant scientist

Meaning: The scientific study of plants.

Part of speech: noun

Example: She is studying botany at university.

Category: Science › Botany

Synonyms: plant science

Meaning: An acronym for 'becquerel', a unit of radioactivity.

Part of speech: noun

Example: The level of radioactivity was measured in Bq.

Category: Science › Physics

Meaning: The chemical symbol for bromine, a chemical element.

Part of speech: noun

Example: Br is used in flame retardants.

Category: Science › Chemistry

Meaning: a marine animal with a hard shell

Part of speech: noun

Example: The fossil of a brachiopod was found in the rock.

Category: Science › Biology

Synonyms: shellfish

Meaning: a large dinosaur with long neck and front legs

Part of speech: noun

Example: The brachiosaurus was one of the tallest dinosaurs.

Category: Science › Paleontology

Synonyms: dinosaur

Meaning: the organ in the head that controls thoughts and actions

Part of speech: noun

Example: The brain is essential for all bodily functions.

Category: Science › Biology

Synonyms:

• mind
• intellect

Antonyms: ignorance

Meaning: An important development or discovery.

Part of speech: noun

Example: The scientist made a breakthrough in cancer research.

Category: Science › Research

Synonyms:

• discovery
• advancement

Meaning: a chemical element with the symbol Br

Part of speech: noun

Example: Bromine is used in some types of disinfectants.

Category: Science › Chemistry

Synonyms: Br

Meaning: a type of astronomical object that is larger than a planet but smaller than a star

Part of speech: noun

Example: Astronomers study brown dwarfs to understand star formation.

Category: Science › Astronomy

Synonyms: substellar object

Meaning: An abbreviation for Bovine Spongiform Encephalopathy, a disease in cattle.

Part of speech: noun

Example: BSE affected many farms in the 1990s.

Category: Science › Veterinary Science

Synonyms:

• mad cow disease
• cattle disease

Meaning: A spherical pocket of air or gas in a liquid.

Part of speech: noun

Example: The bubble floated to the surface.

Category: Science › Physics

Synonyms:

• spherical pocket
• blister

Meaning: A type of molecule with a hollow structure, resembling a soccer ball.

Part of speech: noun

Example: Buckminsterfullerene is used in nanotechnology.

Category: Science › Chemistry

Synonyms:

• C60
• molecule

Meaning: To bend or give way under pressure.

Part of speech: verb

Example: The metal will buckle if heated too much.

Category: Science › Materials

Synonyms:

• bend
• warp

Meaning: Bent or warped due to pressure or force.

Part of speech: adjective

Example: The buckled metal needed to be replaced.

Category: Science › Materials

Synonyms:

• bent
• warped

Meaning: Molecules made of carbon atoms arranged in a spherical shape, resembling a soccer ball.

Part of speech: noun

Example: Bucky balls are studied for their unique properties.

Category: Science › Chemistry

Synonyms:

• fullerenes
• molecules

Meaning: an insect

Part of speech: noun

Example: A bug landed on my arm while I was sitting outside.

Synonyms:

• insect
• glitch

Antonyms:

• feature
• perfection

Meaning: having large, bulging eyes

Part of speech: adjective

Example: The bug-eyed creature startled everyone in the room.

Category: Science › Zoology

Synonyms:

• wide-eyed
• staring

Antonyms:

• narrow-eyed
• calm

Meaning: an increase or accumulation

Part of speech: noun

Example: There was a build-up of pressure before the event.

Category: Science

Synonyms:

• accumulation
• increase

Antonyms:

• decrease
• reduction

Meaning: to stick out or swell

Part of speech: verb

Example: The bag began to bulge with all the groceries.

Category: Science

Synonyms:

• protrude
• swell

Antonyms:

• sink
• flatten

Meaning: swelling or protruding

Part of speech: adjective

Example: The bulging eyes of the creature were quite frightening.

Category: Science

Synonyms:

• protruding
• swollen

Antonyms:

• flat
• sunken

Meaning: the main part or mass of something

Part of speech: noun

Example: The bulk of the work is done, but we still have some details to finish.

Category: Science

Synonyms:

• mass
• volume

Antonyms:

• smallness
• insignificance

Meaning: a gas burner used in laboratories

Part of speech: noun

Example: The scientist used a Bunsen burner to heat the solution.

Category: Science › Laboratory Equipment

Synonyms: gas burner

Meaning: the ability of an object to float

Part of speech: noun

Example: Buoyancy is important for ships to stay afloat.

Category: Science › Physics

Synonyms: floatability

Meaning: able to float or rise in water

Part of speech: adjective

Example: The buoyant material kept the raft afloat.

Category: Science › Physics

Synonyms:

• floatable
• light

Antonyms:

• heavy
• sinking

Meaning: a graduated glass tube used in laboratories for dispensing liquids

Part of speech: noun

Example: The chemist filled the burette with the solution.

Category: Science › Laboratory Equipment

Synonyms: dispensing tube

Meaning: to consume completely by fire

Part of speech: verb

Example: The fire burned up the entire forest.

Synonyms:

• incinerate
• consume

Antonyms:

• cool
• extinguish

Meaning: to break open suddenly

Part of speech: verb

Example: The balloon burst with a loud pop.

Category: Science › Physics

Synonyms:

• explode
• break

Antonyms:

• implode
• seal

Meaning: a flammable gas used as fuel

Part of speech: noun

Example: Butane is commonly used in lighters.

Category: Science › Chemistry

Synonyms:

• gas
• fuel

Meaning: The concept that small changes can lead to significant consequences in complex systems.

Part of speech: noun

Example: The butterfly effect suggests that a minor event, like a butterfly flapping its wings, could ultimately cause a tornado weeks later.

Category: Science › Chaos Theory

Meaning: the concept that small changes can lead to significant effects

Part of speech: noun

Example: The butterfly effect explains how a small action can change the world.

Category: Science › Physics

Synonyms:

• chaos theory
• sensitivity

Meaning: unintended catch of non-target species in fishing

Part of speech: noun

Example: By-catch can harm marine ecosystems.

Category: Science › Marine Biology

Synonyms:

• incidental catch
• bykill

Meaning: A scale for measuring wind force.

Part of speech: noun

Example: The Beau fort scale is used by sailors.

Category: Science › Meteorology

Synonyms:

• wind scale
• force scale