Vocabularies

a substance used to stimulate the body's immune response against diseases

A space entirely devoid of matter; an absence of atmosphere or content.

Having a sound basis in logic or fact; legally or officially acceptable.

a low area of land between hills or mountains, typically with a river or stream flowing through it

worth a great deal of money or importance

the importance, worth, or usefulness of something

the quality or state of being different or diverse; a range of different things

different from one another; of several different kinds

to differ in size, amount, degree, or nature

a person who does not eat meat and sometimes other animal products, eating mainly vegetables, grains, and fruits

a machine used for transporting people or goods

machines used for transporting people or goods from one place to another

A particular form or variant of something.

against (in a competition or conflict)

through, by way of, or using a particular route or means

a person who suffers harm, injury, or death due to an event or action

An act of defeating an opponent or achieving success in a struggle or contest.

a person who watches something, especially television or video content

a sour liquid made from fermented alcohol, used for cooking and preserving

behavior involving physical force intended to hurt or damage

using or involving physical force intended to hurt or damage

a bluish-purple color

a musical instrument with four strings that is played with a bow

A tiny infectious agent that can replicate only inside the living cells of an organism.

an official authorization or permission to enter, leave, or stay in a country

able to be seen; perceptible by the eye

the ability to see or a mental image of something

Relating to seeing or sight.

a natural substance needed by the body to stay healthy

a mountain with an opening through which lava, gas, and ash can escape

the amount of space that a substance or object occupies, or that is enclosed within a container

a person who does something, especially helping other people, willingly and without being paid

a person who votes in an election

the act of making a choice in an election or decision by casting a vote

a long journey involving travel by sea or in space

used to indicate opposition or contrast between two things