infra

As a letter s

is the letter s with a.

As an adverb infra is

(legal) used to refer to something discussed later.

As a noun infra is

(civil engineering|informal) infrastructure.

As nouns the difference between infra and null

is that infra is (civil engineering|informal) infrastructure while null is zero, nil; the cardinal number before einn.

As an adverb infra

is (legal) used to refer to something discussed later.

As nouns the difference between infrared and infra

is that infrared is electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm while infra is (civil engineering|informal) infrastructure.

As an adjective infrared

is having the wavelength in the infrared.

As an adverb infra is

(legal) used to refer to something discussed later.

As an adverb infra

is (legal) used to refer to something discussed later.

As a noun infra

is (civil engineering|informal) infrastructure.

As nouns the difference between meta and infra

is that meta is boundary marker while infra is infrastructure.

As an adjective meta

is self-referential; at a higher level.

As an adverb infra is

used to refer to something discussed later.

As an adverb infra

is (legal) used to refer to something discussed later.

As a noun infra

is (civil engineering|informal) infrastructure.

As an adjective super is

super.

As nouns the difference between infra and hyper

is that infra is (civil engineering|informal) infrastructure while hyper is (science fiction) short for hyperspace.

As an adverb infra

is (legal) used to refer to something discussed later.

As an adjective hyper is

(colloquial) short for hyperactive.

As an adverb infra

is used to refer to something discussed later.

As a noun infra

is infrastructure.

As an abbreviation ibid is

alternative form of ibid.|nodot=yes|lang=en ("in the same place".

As nouns the difference between infra and ultra

is that infra is infrastructure while ultra is an ultraroyalist in France.

As an adverb infra

is used to refer to something discussed later.

As an adjective ultra is

extreme; far beyond the norm; fanatical; uncompromising.