Zero ( noun , verb )

(As a noun)

Zero ( noun )

1. The numerical symbol 0.
2. The absence of any quantity or value.
3. The point from which a scale of measurement begins.
4. The temperature at which a thermodynamic scale (such as the Celsius or Kelvin scale) has its null or zero value.

Origin:

From arabic ṣifr, or medieval latin zephirum, or italian zero, or spanish cero, all meaning "cipher".

Examples:

1. The number that comes after -1 and before 1 is zero.
2. He got a zero on his test because he didn't study.
3. The speedometer's needle was pointing at zero.
4. The zero point of the thermometer was at -40 degrees Celsius.
5. The zero value in the graph represents no data.

(As a verb)

Zero ( verb )

1. To adjust a device to its zero position.
2. To reduce a value or quantity to zero.

Origin:

From arabic ṣifr, or medieval latin zephirum, or italian zero, or spanish cero, all meaning "cipher".

Examples:

1. He zeroed the rifle's sight before taking the shot.
2. She zeroed the scale before weighing the package.
3. He zeroed the thermometer before taking the temperature.
4. He zeroed the odometer before starting the trip.
5. She zeroed the calculator before doing the math problem.