RE

RE

1. (international standards) ISO 3166-1 alpha-2 country code for Réunion.

   Synonym: REU (alpha-3)

R_E

1. (astronomy) Earth radius: the radius of planet Earth, regarded as a unit of measurement.
2. (sum of parts) The radius of the Earth specifically.

• R_🜨, R_♁

RE

1. Regarding, re.

RE

1. Initialism of Royal Engineers, a regiment in the British Army.
2. (rail transport) The station code of Rewari Junction railway station in India.
3. (classics) Abbreviation of Realencyclopädie der classischen Altertumswissenschaft.

RE (countable and uncountable, plural REs)

1. (computing theory, computational complexity theory) Abbreviation of recursively enumerable; the class of decision problems for which a 'yes' answer can be verified by a Turing machine in a finite amount of time.
2. Abbreviation of religious education.
3. Abbreviation of rare earth.
4. (biochemistry, genetics) Initialism of response element.
5. Abbreviation of real estate.
6. Abbreviation of renewable energy.
7. (computing, countable) Abbreviation of run-time environment.
8. (computing) Abbreviation of reverse engineering.

• (recursively enumerable):
  • co-RE, coRE
  • co-RE-complete
  • RE-complete

• R

• 'er, -'er, -er, E-R, E. R., E.R., ER, er, er.

RE f

1. (French politics) abbreviation of Renaissance