English Dictionary

AU

noun

(medicine, dermatology) Initialism of alopecia universalis. / (astronomy) Initialism of astronomical unit. / Initialism of angstrom unit. / (fandom slang) Initialism of alternate universe.

I need to take my AU medication every morning.

意味（1）

(medicine, dermatology) Initialism of alopecia universalis.

意味（2）

(astronomy) Initialism of astronomical unit.

Tuntau is an enormous, low-density terrestrial planet, with a thick atmosphere of methane and helium. Despite being nearly 20 AU from Phoenix, the star's great heat and the insulating thickness of the atmosphere make the surface surprisingly temperate.

意味（3）

Initialism of angstrom unit.

意味（4）

(fandom slang) Initialism of alternate universe.

意味（5）

Initialism of arbitrary unit.