0️⃣ Keycap Digit Zero

The number 0 on a square with rounded corners, designed to look like a keycap.

0️⃣

Unicode: U+30, U+FE0F, U+20E3

Image Variants

Color

Flat

High Contrast

Emoji Version: 3.0

Unicode Version: 3.0

keycapzero

Indicating the absence of any or all units under consideration
Having a tint or hue similar to the colour blue.
Somewhat blue.
Of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky- Helen Hunt Jackson
Having the pure color of a clear sky; the primary color between green and violet in the visible spectrum, an effect of light with a wavelength between 450 and 500 nm.
Of the colour blue.
Somewhat blue in color.
Limited or below average in number or quantity or magnitude or extent

Wiktionary, the free dictionary, has entries for: aught cipher duck love nada naught nil nought o ought zero zilch zip There are several names for the number 0 in English, and concomitant names for the decades where the tens column contains the number 0.
Is the absence of everything or a void.
Nothing is a pronoun denoting the absence of anything.
A quantity of no importance
A zero value in several branches of mathematics
The cardinal number that denotes no quantity or amount at all.
The value of a magnitude corresponding to the cardinal number zero.
Pronoun denoting the absence of anything
In mathematics, the word null means of or related to having zero members in a set or a value of zero.
Nothingness denotes the nonexistence of something or of anything specifiable, the state of nothing, the property of having nothing, or of being no thing; in nontechnical uses, "nothing" denotes things lacking importance, interest, value, relevance, or significance.
Nothing; zero.
A concept of quantity involving zero and units