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quantity
An amount or number of something.
quantum
A discrete quantity in physics.
quantum tunnel
Subatomic particles passing through barriers unexpectedly.
quarantine
Isolation to prevent disease spread.
quark
a fundamental particle in physics
quarrel
A heated argument or disagreement.
quarry
a place where stone or minerals are extracted.
quart
A unit of liquid capacity equal to four cups.
quarter
a period of time
quarterback
A player who directs the football offense.
quarterfinal
A round in a tournament before the semifinals.
quarterly
Occurring every three months.
quartermaster
A military officer responsible for supplies.
quartet
a group of four musicians or singers.
quartz
A hard, crystalline mineral.
quash
To reject or suppress something.
quasi
partly or almost like something else
quaternary
the latest geological period in Earth's history
quattro
Italian for 'four', often used in names.
quay
A platform by a body of water.
quayle
A surname, often associated with a politician.
qué
Spanish word for 'what'.
que sera sera
Whatever will be, will be.
queasy
Feeling sick to the stomach or uneasy.