The numerical value of nothing; the number 0, which represents a null quantity in mathematics and serves as a placeholder in the decimal system. noun
The temperature dropped to zero degrees last night.
In binary code, zero and one are the only digits used.
A point on a scale, such as a thermometer or gauge, that indicates no quantity or a neutral point. noun
The fuel gauge needle was pointing to zero, indicating an empty tank.
The scale was calibrated so that zero represented the freezing point of water.
The lowest possible amount or level; none at all. noun
He had zero interest in attending the meeting.
The chances of rain today are zero.
To adjust an instrument or device to a zero point or baseline. verb
The technician zeroed the scale before weighing the ingredients.
You need to zero the rifle's sights before using it.
To focus attention or resources on a specific target or goal. verb
The company zeroed in on expanding its online presence.
She zeroed in on the most important issues during the meeting.
Having no measurable or significant quantity or magnitude. adjective
The probability of that event occurring is practically zero.
His contribution to the project was zero.