Browse Lemmas

Lemmas found: 7607

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veterinarian

A person qualified to treat sick or injured animals; an animal doctor.

Noun occupation Level 311
acid

a chemical substance with a pH below 7 that can dissolve metals and turn litmus paper red.

Noun chemical_compound Level 314
ammonia

A pungent, colorless gas (NH₃) composed of nitrogen and hydrogen, widely used in fertilizers, cleaning products, and industrial chemistry.

Noun chemical_compound Level 314
base

a chemical substance with a pH above 7 that can neutralize acids and turn litmus paper blue.

Noun chemical_compound Level 314
breathe

to inhale and exhale air.

Verb physical_action Level 314
burn

to destroy by fire.

Verb destruction_action Level 314
burn

to be on fire or damage with heat.

Verb physical_action Level 314
carbon

A chemical element with atomic number 6, occurring in all known living organisms and in forms such as diamond, graphite, and charcoal.

Noun chemical_compound Level 314
carbon dioxide

A colorless gas (CO₂) produced by burning carbon and organic compounds and by respiration, absorbed by plants in photosynthesis.

Noun chemical_compound Level 314
carbonate

A salt or ester of carbonic acid, containing the carbonate ion CO₃²⁻.

Noun chemical_compound Level 314
chloride

A chemical compound containing chlorine combined with another element or group, especially a salt in which chlorine exists as the negatively charged i...

Noun chemical_compound Level 314
chlorine

A chemical element (symbol Cl) that is a yellow-green, toxic gas with a pungent smell, commonly used to disinfect water and in manufacturing.

Noun chemical_compound Level 314
donate

to give something as a gift or contribution.

Verb possession Level 314
electron

A stable subatomic particle with a negative electric charge, found outside the nucleus of an atom and involved in electricity, chemical bonding, and r...

Noun chemical_compound Level 314
hydrogen

The lightest and most abundant chemical element (symbol H), a colorless, odorless gas that combines with oxygen to form water.

Noun chemical_compound Level 314
ion

An atom or molecule that has gained or lost one or more electrons and therefore carries an electric charge.

Noun chemical_compound Level 314
methane

A colorless, odorless, flammable gas (CH₄) that is the main component of natural gas and a significant greenhouse gas.

Noun chemical_compound Level 314
molecule

The smallest unit of a chemical compound that retains the compound’s chemical properties, consisting of two or more atoms bonded together.

Noun chemical_compound Level 314
nitrogen

A chemical element (symbol N) that is a colorless, odorless gas making up about 78% of Earth's atmosphere, essential for plant growth.

Noun chemical_compound Level 314
oxygen

A chemical element (symbol O) essential for respiration, making up about 21% of Earth's atmosphere.

Noun chemical_compound Level 314
sodium

A soft, highly reactive chemical element with the symbol Na and atomic number 11, commonly found in compounds such as salt.

Noun chemical_compound Level 314
venom

A poisonous substance injected by some animals, such as snakes, spiders, and scorpions, through a bite or sting.

Noun chemical_compound Level 314
agency

An organization or business that provides a particular service, often by arranging or representing others.

Noun organization_name Level 315
boyfriend

a male partner in a romantic or dating relationship

Noun family_relation Level 315
Dr.

a title used before the name of a doctor or person with a doctorate

Noun honorific Level 315
emperor

The male ruler of an empire, or the sovereign title traditionally used by such a ruler.

Noun honorific Level 315
fiancé

a man to whom someone is engaged to be married

Noun family_relation Level 315
fiancée

a woman who is engaged to be married

Noun family_relation Level 315
girlfriend

a female with whom someone is in a romantic or dating relationship; a woman who is a person's romantic partner

Noun family_relation Level 315
grandma

A person's grandmother; the mother of their mother or father.

Noun family_relation Level 315
grandpa

One's grandfather; one's father's or mother's father.

Noun family_relation Level 315
lady

a polite or formal term for a woman

Noun honorific Level 315
Lord

a British title of nobility used as a form of address for a peer or man of high rank

Noun honorific Level 315
madam

a polite or formal term of address for a woman

Noun honorific Level 315
master

a title for a boy or young man, or a term of address for a man in authority

Noun honorific Level 315
Miss

a title used before an unmarried woman's surname or full name

Noun honorific Level 315
Mr.

a title used before a man's surname or full name

Noun honorific Level 315
Mrs.

a title used before a married woman's surname or full name

Noun honorific Level 315
Ms.

a title used before a woman's surname or full name, regardless of marital status

Noun honorific Level 315
newspaper

A company or organization that publishes a newspaper.

Noun organization_name Level 315
Prof.

a title used before the name of a university professor

Noun honorific Level 315
sir

a polite or formal term of address for a man

Noun honorific Level 315
small business

a business employing few people

Noun organization_name Level 315
surname

A hereditary family name shared by members of a family, usually placed after a person's given name.

Noun family_relation Level 315
asleep

sleeping; in a state of sleep; inactive or dormant; numb.

Adjective quality Level 318
bitter

having a sharp unpleasant taste, not sweet.

Adjective quality Level 318
boiling

at or near the temperature at which a liquid bubbles and turns to vapor.

Adjective quality Level 318
conscious

aware of and responding to one's surroundings.

Adjective quality Level 318
cool

fashionably attractive; stylish

Adjective quality Level 318
dangerous

able or likely to cause harm

Adjective quality Level 318