ER, OR, RV, RH, RF, Mr, re, PR, KR, BR, IR, Jr, RN, sr, ar, Ro, RI, ere, Ara, RA, Ur, AR, Ra, Re, Ar, Br, Cr, Er, Fr, Ir, Kr, Lr, Pr, Rn, Rh, Rg, Rb, Ru, Rf, Sr, Zr, yr, hr are words created by adding a letter to 'r'
2 possible definitions for 'r'
Under this definition, r is a noun and has the following properties:
R has the same meaning as r
'r' can be a type of letter, letter of the alphabet, alphabetic character.
'r' can be a member of Roman alphabet, Latin alphabet.
Under this definition, r is a noun and has the following properties:
radius has the same meaning as r
'r' can be a type of length.
semidiameter, radius of curvature are types of 'r'.