antiearth
antiearth · antiearths
A hypothetical analog to Earth composed entirely of antimatterA hypothetical analog to Earth composed entirely of antimatter.
Meaning
2 sensesA hypothetical analog to Earth composed entirely of antimatter.
(historical)A hypothetical twin planet to Earth, proposed by the Pythagoreans, which cannot be seen from Earth.
Origin
From anti- + earth.From anti- + earth.
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Forms
plural: antiearths| Singular | antiearth |
|---|---|
| Plural | antiearths |
regular