You searched for: “zero”
xero-, zero, zero
xero- (ZIR oh) (prefix)
A Greek combining form used in words meaning dry: "The Greek element xero- is used with several words referring to dry, dryness."

"One example of a word using xero- is xerosis which refers to a dryness, as of the skin, eyes, or mucous membranes."

zero (ZEE roh, ZIR oh) (noun)
1. The numeral or symbol 0, indicating the absence of quantity: "If 100 is subtracted from 100, it will obviously equal zero."
2. Nothing at all: "The medical researchers are striving to reduce the mortality rate to zero."
3. The point from which the graduation figures of a scale begins: "On the Celsius scale, zero (0°), is the temperature of melting ice, equivalent to 32° on the Fahrenheit scale."
4. A person who is not important, interesting, popular, etc.: "Wiley's new girlfriend is a real zero (loser)."
zero (ZEE roh, ZIR oh) (verb)
1. To direct all of a person's attention to someone or something: "The scientists are trying to zero in on a cure for cancer."

"The math teacher is trying to zero in on why Gina can't comprehend her simple math assignment."

2. To set a measuring device; such as, a scale so it reads 0: "Please zero the scale before you try to weigh the produce (potatoes, onions, etc.)."

The new skin cream had zero effect on the xerosis on his hands; so, he had to go see the dermatologist for a different prescription.

This entry is located in the following unit: Confusing Words Clarified: Group X; Homonyms, Homophones, Homographs, Synonyms, Polysemes, etc. + (page 1)
Word Entries at Get Words: “zero”
zero (s) (noun), zeros (pl)
The number which indicates no quantity, size, or magnitude: Zero is neither negative nor positive.

When the school lesson was over, the students left the room and the teacher waited until the student count was zero..

This entry is located in the following unit: Measurements and Mathematics Terms (page 11)
zero (s) (noun), zeros (pl)
The absence of quantity, size, or magnitude: Zero is neither negative nor positive.

When the school lesson was over, the students left the room and the teacher waited until there were zero students in the classroom

This entry is located in the following unit: English Words from Arabic origins (page 8)
Word Entries at Get Words containing the term: “zero”
absolute zero
The lowest temperature theoretically possible, corresponding to -459.67 degrees on the Fahrenheit scale and -273.15 degrees on the Celsius scale and it is 0 on the Kelvin temperature scale, which uses the same degrees as the Celsius scale.

Although absolute zero has not been reached, yet, the techniques of cryogenics, the technology for creating temperatures below -200 degrees Celsius, have come closer.

This entry is located in the following unit: Science and Technology (page 1)
anatomic zero joint position (s) (noun), anatomic zero joint positions (pl)
The beginning point of a joint range of motion: An anatomic zero joint position was explained by the professor to be descriptive of the preluding stage of the span of movement of a joint before actual movement begins.
This entry is located in the following unit: Anatomy and Related Anatomical Terms (page 2)
Think of any single number greater than zero; such as, 1 to 9.
Multiply the number of your choice by 3. Add 1. Multiply by 3. Add the original number to the result.

The answer will always end with 3. Delete the 3, and the remaining figure will be the original number that you started with.

This entry is located in the following unit: Number Challenges (page 1)
vacuum zero
The energy of an electron at rest in empty space; used as a reference level in energy band diagrams.
This entry is located in the following unit: Photovoltaic Conversion Efficiency Terms + (page 23)
Zero Age Main Sequence, ZAMS (s) (noun), Zero Age Main Sequences (pl)
The point on the Hertzsprung-Russell diagram occupied by a star that has a core temperature high enough for nuclear reactions: The Zero Age Main Sequence is a major group of stars on a Hertzsprung-Russell diagram by a practically uniform band of brightness and surface temperatures that become greater and greater.
This entry is located in the following unit: Astronomy and related astronomical terms (page 28)