rd

As a noun null is

zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As a letter d is

the fourth letter of the.

As a numeral d is

cardinal number five hundred (500).

As a symbol d is

deuterium, when it needs to be distinguished from ordinary hydrogen.

As an adjective third

is the ordinal form of the cardinal number three; coming after the second.

As a noun third

is the person or thing in the third position.

As a verb third

is to agree with a proposition or statement after it has already been.

As a noun terms

is .

As an adjective wellknown

is (nonstandard).

Rd is likely misspelled.

Rd has no English definition.

As a noun chainage

is an imaginary line used to measure distance, often corresponding to the centre of a straight road.