Rainbow = Arcus Iris
Dens Arcus means rainbow spike in Latin.
Rainbow = Arcus Iris
A rainbow! Inscribed in Latin "None sine sole iris" meaning there is no rainbow without sun.
iridium
It's iridium.
Iridium
iris is the latin word for "rainbow" hence the English word "iridescent"
Rainbow = Arcus Iris; also either word alone. Horace used "arcus pluvius," however most Romans probably just said "arcus."
If you mean What is the Latin for rainbow, it is arcus pluvius, or arcus alone, Arcus is a 4th declension noun, so its plural is not "arci" but arcus.
The word rainbow is said in Greek as ouranio toxo. The word rainbow is said as iridis in Latin and as arco iris in Spanish.
The symbol for the element Iridium is "Ir". It comes from the Greek word iris that means rainbow.
piscis = a fish pisces = fishes